Text preview for : BIJ2230_2280 Service Guide.pdf part of HP Business Inkjet 2230 2280 Use HP 2000C parts for carriage belt/springs. For false replace printhead message replace carriage to main board cable assy from HP 2000C



Back to : BIJ2230_2280 Service Guid | Home

service and support manual

1
table of contents
product overview.................................................................................................................... 13 key dates............................................................................................................................... 14 key selling points.................................................................................................................... 15 unique product features........................................................................................................... 16 product positioning statement .................................................................................................. 17 product placement.................................................................................................................. 18 product positioning of the hp business inkjet 2230/2280........................................................... 19 target customer ...................................................................................................................... 20 benefits ................................................................................................................................. 21 localization............................................................................................................................ 22 top of the printer .................................................................................................................... 24 front of the printer................................................................................................................... 25 rear of the printer ................................................................................................................... 26 controls ................................................................................................................................. 27 the printers ............................................................................................................................ 28 specifications ......................................................................................................................... 29 product positioning................................................................................................................. 30 competitive positioning ........................................................................................................... 31 competitive speed test suite...................................................................................................... 32 overview of user replaceable components ................................................................................. 33 compatible hp media types...................................................................................................... 34 hardware accessories ............................................................................................................. 35 upgrades............................................................................................................................... 36 CREW parts........................................................................................................................... 37 consumable part numbers........................................................................................................ 38 printheads .......................................................................................................................... 38 ink cartridges ..................................................................................................................... 38 date labels ......................................................................................................................... 38 technology update.................................................................................................................. 39 Thermal Inkjet Technology .................................................................................................... 39 ColorSmart II ...................................................................................................................... 39 ColorSmart III ..................................................................................................................... 39 PhotoREt III ......................................................................................................................... 39 UnderPrinting ..................................................................................................................... 40 value added services .............................................................................................................. 41 Embedded Web Server (EWS) ............................................................................................. 41 hp instant support web site................................................................................................... 41 education and training............................................................................................................ 42 service and support ................................................................................................................ 44 support .............................................................................................................................. 44 online support..................................................................................................................... 44

telephone support ............................................................................................................... 44 telephone support................................................................................................................... 45 regional repair strategy........................................................................................................... 47 warranty period ..................................................................................................................... 48 repair and warranty information ........................................................................................... 48 hewlett-packard limited warranty statement ............................................................................... 49 hardware setup requirements................................................................................................... 51 contents of the box ................................................................................................................. 52 unpacking the printer and printer components ........................................................................... 54 unpacking the printer........................................................................................................... 54 overall setup procedure........................................................................................................... 55 setting the LCD language ........................................................................................................ 58 setting print settings with the LCD ............................................................................................. 59 installing tray 2 ...................................................................................................................... 60 installing the hp jet direct EIO print server ................................................................................. 61 installing additional memory.................................................................................................... 62 installing additional memory................................................................................................. 62 testing the memory installation .............................................................................................. 63 installing the PCL5C/PS3 card................................................................................................. 64 installing ink cartridges ........................................................................................................... 65 part number and ink capacity information.............................................................................. 65 expiration dates .................................................................................................................. 65 maintenance guidelines for ink cartridges .............................................................................. 65 install ink cartridges ............................................................................................................ 65 installing printheads................................................................................................................ 66 printhead part numbers........................................................................................................ 66 installing printheads ............................................................................................................ 66 maintenance guidelines for Printheads................................................................................... 68 paper type matrix................................................................................................................... 69 paper capacity and weight matrix............................................................................................ 70 guidelines for loading paper ................................................................................................... 71 printing a demo page ............................................................................................................. 72 software installation requirements............................................................................................. 73 specifications for operating system compatibility..................................................................... 73 specifications for network operating system compatibility......................................................... 73 contents of software CD ROM.................................................................................................. 74 Windows 9X/NT4/2000 users ............................................................................................ 74 Macintosh users .................................................................................................................. 74 startup page of CD browser .................................................................................................... 75 install the printer software........................................................................................................ 76 printer software components for Windows ............................................................................. 76 installing the printer driver from the CD when the printer is on the network ................................ 76 installing the printer driver using the wizard on a parallel port ................................................. 80 installing printer drivers from the cd for a printer on a parallel port ........................................... 80 installing the Macintosh printer software ................................................................................... 83 installing the printer driver by using the Starter CD.................................................................. 83 installing the printer driver by using the Chooser menu item in the Apple menu .......................... 84 installing the printer driver for printers that use AppleTalk ........................................................ 87 installing the printer software on Mac OS X ........................................................................... 91 2 HP Restricted

Tour the Product

browsing documentation ......................................................................................................... 92 registering the product ............................................................................................................ 93 customization utility ................................................................................................................ 94 optional software ................................................................................................................... 95 testing the software installation................................................................................................. 96 uninstalling the printer software................................................................................................ 98 installing toolbox .................................................................................................................. 100 web deployment of drivers .................................................................................................... 101 upgrading firmware.............................................................................................................. 102 updating firmware............................................................................................................. 102 connecting to a network ........................................................................................................ 103 peer-to-peer network.......................................................................................................... 103 client-server network .......................................................................................................... 103 connectivity options .............................................................................................................. 104 Connectivity Options ......................................................................................................... 104 parallel cable ................................................................................................................... 104 EIO ................................................................................................................................. 104 connectivity specifications .................................................................................................. 105 troubleshooting setup issues................................................................................................... 106 troubleshooting power on issues ............................................................................................ 107 testing the software installation............................................................................................... 109 printing a diagnostic page .................................................................................................... 111 printer features overview ....................................................................................................... 113 printer control panel .......................................................................................................... 113 paper input and output trays .............................................................................................. 113 sensors ............................................................................................................................ 113 HP PCL 5c and PostScript 3 emulation ................................................................................. 114 Normal-Speed Optimized print mode .................................................................................. 114 Customization Utility (DMC) ............................................................................................... 114 PCL3 vs. PCL3GUI support ................................................................................................. 114 LCD panel overview.............................................................................................................. 115 menu map ........................................................................................................................... 116 JETDIRECT menu ............................................................................................................... 118 I/O menu......................................................................................................................... 119 maintenance menu ............................................................................................................ 119 reset menu ....................................................................................................................... 120 canceling a print job ............................................................................................................ 121 Using Report Pages .............................................................................................................. 122 Using the Configuration Page ............................................................................................. 122 extending tray 1................................................................................................................... 124 using the tray lock ................................................................................................................ 125 advanced paper setting ........................................................................................................ 126 Advanced Paper Setting .................................................................................................... 126 printing on special media...................................................................................................... 127 envelopes and cards ......................................................................................................... 127 transparencies .................................................................................................................. 128 heavy paper..................................................................................................................... 128 custom-size paper ............................................................................................................. 129 media and tray compatibility ................................................................................................. 130 Tour the Product HP Restricted 3

supported paper and transparency type .............................................................................. 130 capacity of the trays and accessories .................................................................................. 130 upgrading ........................................................................................................................... 131 cleaning the printer .............................................................................................................. 132 guidelines for cleaning the printer ....................................................................................... 132 steps to clean the printer .................................................................................................... 132 cleaning and maintaining printheads...................................................................................... 133 cleaning the printheads...................................................................................................... 133 aligning the printheads ...................................................................................................... 133 maintaining ink cartridges ..................................................................................................... 135 cleaning the pick roller.......................................................................................................... 136 When to clean the pick roller ............................................................................................. 136 steps to clean the paper pick roller...................................................................................... 136 changing default hardware settings ........................................................................................ 138 changing the printer control panel language ........................................................................ 138 upgrading the firmware ........................................................................................................ 139 upgrading the firmware through DOS (connected to lpt1) ...................................................... 139 updating personality card firmware..................................................................................... 139 updating base firmware..................................................................................................... 140 upgrading firmware using the HP Printer Firmware Upgrade Utility ......................................... 141 updating base firmware..................................................................................................... 141 updating personality card firmware..................................................................................... 141 upgrading firmware through Web JetAdmin......................................................................... 142 navigating the user interface.................................................................................................. 147 enlarge or reduce documents ............................................................................................. 147 creating watermarks .......................................................................................................... 147 overview of toolbox .............................................................................................................. 149 Printer status tab (Network connected only) .......................................................................... 149 Ink cartridge information (Network connected only) .............................................................. 149 Preferences....................................................................................................................... 150 Information Tab ................................................................................................................ 150 embedded Web server ......................................................................................................... 152 steps to launch ews ........................................................................................................... 152 summary of features .......................................................................................................... 152 supported OSs, browsers, and language ............................................................................. 153 web pages categories ....................................................................................................... 153 email notification services .................................................................................................. 153 autosend (myprintmileage) .................................................................................................... 155 hp instant support (PrinterNet)................................................................................................ 156 PrinterNet......................................................................................................................... 156 order supplies................................................................................................................... 157 order supplies................................................................................................................... 158 changing default software settings.......................................................................................... 159 troubleshooting usage issues.................................................................................................. 160 troubleshooting paper-related problems .................................................................................. 161 a quick checkup for network printers ...................................................................................... 167 Check the Printer Setup...................................................................................................... 167 Check the Computer.......................................................................................................... 167 Check the Configuration Page ............................................................................................ 167 4 HP Restricted

Tour the Product

troubleshooting carriage-related problems............................................................................... 168 troubleshooting carriage-related problems ........................................................................... 168 troubleshooting print quality related problems.......................................................................... 169 low or excess use of ink in printouts........................................................................................ 172 troubleshooting incorrect color printouts .................................................................................. 173 printer overview ................................................................................................................... 176 how the printer works ........................................................................................................ 176 role of a printer language in the printing process.................................................................. 176 how the printer translates information .................................................................................. 177 writing systems..................................................................................................................... 178 printer interfaces .................................................................................................................. 179 ink supply station.................................................................................................................. 180 service station ...................................................................................................................... 181 paper path .......................................................................................................................... 182 paper path - paper motor drive........................................................................................... 182 pulling paper into printer ................................................................................................... 182 feeding paper through printer............................................................................................. 182 ejecting paper from printer................................................................................................. 183 difference from hp business inkjet 2200/2250 .................................................................... 183 electronics ........................................................................................................................... 184 power PCA.......................................................................................................................... 185 sensors................................................................................................................................ 186 carriage motor ..................................................................................................................... 187 driving carriage across page ............................................................................................. 187 flashable components ........................................................................................................... 188 flashing the firmware ......................................................................................................... 188 upgrading the firmware ..................................................................................................... 188 LCD controls ........................................................................................................................ 189 buttons on the control panel ............................................................................................... 189 special printer operation modes.......................................................................................... 189 front panel display state..................................................................................................... 190 button operations in different display states .......................................................................... 190 menu system..................................................................................................................... 190 LCD messages...................................................................................................................... 192 Status Messages ............................................................................................................... 192 Informational Messages ..................................................................................................... 192 Interactive Messages ......................................................................................................... 193 Warning Messages ........................................................................................................... 196 Printer Status Messages ..................................................................................................... 197 media ease of use strategy .................................................................................................... 198 media ease of use (meou) user settings ................................................................................ 198 meou rules ....................................................................................................................... 198 mapping media type ids to tray types.................................................................................. 200 common use scenario ........................................................................................................ 200 files copied during installation ............................................................................................... 201 toolbox (optional).............................................................................................................. 201 web registration................................................................................................................ 201 test page.......................................................................................................................... 201 PCL5 Win95/98/Me Printer Driver .................................................................................... 201 Tour the Product HP Restricted 5

PCL5 WinNT4.0 Printer Driver............................................................................................ 202 PCL5 Win2000/XP Printer Driver ....................................................................................... 202 PS Win95/98/Me Printer Driver ........................................................................................ 203 PS WinNT4.0 Printer Driver ............................................................................................... 203 PS Win2000/XP Printer Driver ........................................................................................... 204 uninstaller ........................................................................................................................ 204 driver architecture ................................................................................................................ 206 OS Interface ..................................................................................................................... 206 Print Engine ...................................................................................................................... 206 key driver improvements ....................................................................................................... 207 driver SKU matrix ................................................................................................................. 208 driver features...................................................................................................................... 209 basic printing features ....................................................................................................... 209 office focus features........................................................................................................... 209 retail / small biz personal printing features .......................................................................... 209 smart features ................................................................................................................... 209 operating systems and drivers matrix for the printer:.............................................................. 210 software driver of the printer for each Operating System ....................................................... 211 smart features available for each operating system: .............................................................. 211 hacker's menu...................................................................................................................... 212 accessing the hacker's menu (available only for PCL3 driver) ................................................. 212 options in the hacker's menu .............................................................................................. 212 options for windows 95/98 only ........................................................................................ 212 troubleshooting process......................................................................................................... 213 check the printer setup....................................................................................................... 213 check the computer ........................................................................................................... 213 print a test page................................................................................................................ 213 printer status issues ............................................................................................................... 214 connectivity problems ........................................................................................................... 215 known issues and resolutions ................................................................................................. 216 hardware issues................................................................................................................ 216 software issues ................................................................................................................. 216 crew/user-replaceable parts .................................................................................................. 218 crew parts ........................................................................................................................ 218 repackaging by customer to return to hp ................................................................................. 219 repackaging kit: setup the exchanged unit .............................................................................. 220 steps to setup the exchanged unit........................................................................................ 220 lubricants ......................................................................................................................... 220 screws ............................................................................................................................. 220 specific limitations and resolutions.......................................................................................... 221 common calls and support issues ........................................................................................ 221 product escalation path by region .......................................................................................... 222 USA ................................................................................................................................ 222 Canada ........................................................................................................................... 222 Latin America ................................................................................................................... 222 Europe............................................................................................................................. 222 Asia Pacific ...................................................................................................................... 222 menu map ........................................................................................................................... 224 configuration page ............................................................................................................... 225 6 HP Restricted

Tour the Product

configuration page............................................................................................................ 225 EIO configuration page ..................................................................................................... 226 PS font list............................................................................................................................ 228 demo page.......................................................................................................................... 229 diagnostics pages ................................................................................................................ 231 diagnostic test pages......................................................................................................... 231 extended diagnostics page ................................................................................................ 233 introduction to skew test..................................................................................................... 234 top skew .......................................................................................................................... 235 side skew ......................................................................................................................... 236 feed skew ........................................................................................................................ 237 align printheads test page ..................................................................................................... 239 show printhead health .......................................................................................................... 240 customer service checklist ...................................................................................................... 241 before you begin .............................................................................................................. 241 once the printer is fixed ..................................................................................................... 242 service information ............................................................................................................... 243 born-on date: current situation ............................................................................................ 243 calculating the service ID from a calendar date .................................................................... 243 converting the service ID into a calendar date ...................................................................... 243 pen to rib space calibration................................................................................................... 245 parts of the tool................................................................................................................. 245 connections to the computer ports ....................................................................................... 245 countries in which PPR will be performed ............................................................................. 245 exploded view ..................................................................................................................... 246 repair flowchart ................................................................................................................... 250 unique service parts.............................................................................................................. 251 predicted high use parts........................................................................................................ 252 tools for repair ..................................................................................................................... 253 removal and replacement tools ........................................................................................... 253 before you begin .............................................................................................................. 253 tips for disassembling the printer......................................................................................... 253 crew parts ........................................................................................................................... 255 Top Cover Assembly - C8119-67014.................................................................................. 255 Carriage Access Assembly - C8119-67007 ......................................................................... 255 Output Tray Assembly - C8119-67010................................................................................ 256 Input Tray (Tray 1) Assembly - C8119-67009 ...................................................................... 257 Tray 2 (Gravity Bulkpack II) - C8119-67018 ........................................................................ 257 parts to remove................................................................................................................. 258 non V-coded parts ................................................................................................................ 259 Arm Latch - C2688-67008................................................................................................. 259 Rear PCA Cover - C8119-67004........................................................................................ 259 Right IDS Cover - C8119-67002 ........................................................................................ 260 Front Panel Assembly - C8119-67015................................................................................. 260 Left Cover - C8119-67003................................................................................................. 262 Paper Motor Assembly - C2688-67045............................................................................... 262 Carriage Motor Assembly - C2688-67070 .......................................................................... 263 Drive Roller Sensor PCA - C2688-67055............................................................................. 264 Input Gear Assembly - C2688-67056 ................................................................................. 264 Tour the Product HP Restricted 7

EIO Box Assembly - C2688-67107..................................................................................... 265 Fan Assembly - C2688-67083 ........................................................................................... 266 Logic PCA - C8119-67013 ................................................................................................ 266 Power Supply PCA - C2688-67018 .................................................................................... 267 Power Supply Cover - C2688-67076 .................................................................................. 268 Ground Bracket - C2688-67108 ........................................................................................ 268 Main Harness - C2688-67036 ........................................................................................... 269 Ink Supply Station Assembly - C2688-67010 ....................................................................... 270 Replaceable IDS Assembly - C2688-67009 ......................................................................... 270 Service Station Assembly - C2688-67041 ........................................................................... 271 Chimney Absorber - C2688-67037 and Spit Aerosol Absorber - C2688-67038 ..................... 272 Media Sensor - C2688-67046 ........................................................................................... 272 CMY Absorber - C2688-67039 ......................................................................................... 273 Encoder Strip - C4530-80004............................................................................................ 274 V-coded parts ...................................................................................................................... 275 Carriage Base Assembly - C2688-67061/Carriage Shaft - C4530-20042 ............................. 275 Carriage Belt/P-Belt........................................................................................................... 275 Carriage Plate Assembly - C2688-67062 ............................................................................ 276 Up/Rear Paper Guide Assembly -C2688-67043 .................................................................. 277 Right Wing - C8119-67012............................................................................................... 278 Left Wing - C8119-67011 ................................................................................................. 279 Catwalk - C2688-67011 and Ejector - C2688-67012 .......................................................... 280 Drive Shaft/Pivot Assembly - C2688-67044 ........................................................................ 281 Pinch Rollers and Rear Roller Springs .................................................................................. 282 Separator Assembly - C2688-67057 .................................................................................. 283 Chassis Assembly - C2688-67060...................................................................................... 284 Sheet Metal on Base/Foot Assembly ................................................................................... 286 Base/Foot Assembly - C8119-67006.................................................................................. 286 troubleshooting power on issues ............................................................................................ 288 troubleshooting printer initialization problems.......................................................................... 291 troubleshooting printer initialization problems ...................................................................... 291 Basic (Text) Error Messages ................................................................................................... 293 Troubleshooting LCD Messages .......................................................................................... 293 Basic (Text) Error Message Resolution.................................................................................. 293 Basic (Text) Error Message List............................................................................................ 294 Troubleshooting specific error codes....................................................................................... 295 Troubleshooting error codes 122 and 123 firmware error ..................................................... 295 Troubleshooting error code 181 firmware error .................................................................... 295 Troubleshooting error codes 441 to 472 printer hardware error............................................. 295 Troubleshooting error codes 551 to 586, printer communication error .................................... 296 ( I/O error)....................................................................................................................... 296 Troubleshooting error codes EXXX....................................................................................... 296 Troubleshooting error code 361 update firmware ................................................................. 297 Troubleshooting error code 699 update firmware ................................................................. 297 troubleshooting numerical LCD messages and error codes ........................................................ 298 troubleshooting recoverable and non-recoverable LCD messages............................................ 298 troubleshooting print media problems ..................................................................................... 307 troubleshooting print media problems.................................................................................. 307 troubleshooting self-test page ................................................................................................. 309 8 HP Restricted

Tour the Product

troubleshooting the self-test page ........................................................................................ 309 troubleshooting paper eject problems ..................................................................................... 311 troubleshooting paper eject problems .................................................................................. 311 troubleshooting unusual noises............................................................................................... 313 troubleshooting unusual noises ........................................................................................... 313

Tour the Product

HP Restricted

9

table of figures
top of the printer .................................................................................................................... 24 front of the printer................................................................................................................... 25 rear of the printer ................................................................................................................... 26 controls ................................................................................................................................. 27 contents of the box ................................................................................................................. 52 setup poster - 1 ...................................................................................................................... 55 setup poster - 2 ...................................................................................................................... 55 installing the HP JetDirect EIO print server ................................................................................. 61 removing the HP PCL 5C/PS3 Card ......................................................................................... 62 Pressing the DIMM ................................................................................................................. 63 installing ink cartridges ........................................................................................................... 65 lifting the printhead cover........................................................................................................ 66 pulling the latch forward and down .......................................................................................... 67 removing the protective tape from the printheads ....................................................................... 67 inserting the printheads ........................................................................................................... 68 startup page of the CD browser ............................................................................................... 75 running the Starter CD ............................................................................................................ 83 clicking Install ........................................................................................................................ 83 clicking Restart ....................................................................................................................... 84 clicking the Apple menu .......................................................................................................... 84 clicking the Chooser menu item................................................................................................ 85 double-clicking LaserWriter 8 .................................................................................................. 85 selecting hp business inkjet 2230/2280................................................................................... 86 clicking the Auto Setup button.................................................................................................. 86 displaying the installed printer ................................................................................................. 86 clicking the Desktop Printer Utility alias ..................................................................................... 87 selecting File -> New .............................................................................................................. 87 selecting the Printer (AppleTalk) option ..................................................................................... 88 clicking the Change button ...................................................................................................... 88 selecting the PPD file name ...................................................................................................... 89 clicking the Change button in the AppleTalk Printer Selection section ........................................... 89 selecting the AppleTalk printer name ........................................................................................ 90 saving the desktop printer ....................................................................................................... 90 displaying the installed AppleTalk printer .................................................................................. 91 browse documentation ............................................................................................................ 92 customization utility ................................................................................................................ 94 optional software ................................................................................................................... 95 configuration page ................................................................................................................. 96 Begin Uninstall. ...................................................................................................................... 98 welcome ............................................................................................................................... 98 components ........................................................................................................................... 99 connectivity options .............................................................................................................. 104 configuration page ............................................................................................................... 109 diagnostic test page ............................................................................................................. 111 controls ............................................................................................................................... 115 Configuration Page .............................................................................................................. 122 lifting output tray .................................................................................................................. 124 10 HP Restricted

Tour the Product

opening locks, sliding the tray extension ................................................................................. 124 print on envelopes ................................................................................................................ 127 using tray 1 to print on envelopes .......................................................................................... 127 using tray 1 to print on transparencies .................................................................................... 128 using tray 1 to print on heavy paper....................................................................................... 128 replacing an ink cartridge ..................................................................................................... 135 Step 4................................................................................................................................. 136 Step 5................................................................................................................................. 136 upgrading firmware through DOS .......................................................................................... 140 upgrading firmware through HP Printer Firmware Upgrade Utility .............................................. 142 printer list ............................................................................................................................ 143 hp business inkjet 2230 printer Status screen .......................................................................... 143 select the update option ........................................................................................................ 144 update the firmware ............................................................................................................. 144 file download status screen.................................................................................................... 145 update the firmware ............................................................................................................. 145 file download status screen.................................................................................................... 146 firmware update is complete.................................................................................................. 146 using the ZoomSmart feature ................................................................................................. 147 creating watermarks ............................................................................................................. 148 Autosend feature .................................................................................................................. 155 PrinterNet Web site .............................................................................................................. 156 order supplies ...................................................................................................................... 157 security ............................................................................................................................... 158 printing sequence ................................................................................................................. 176 ink supply station.................................................................................................................. 180 Service station...................................................................................................................... 181 paper path .......................................................................................................................... 182 physical layout of power PCA................................................................................................ 185 buttons on the control panel................................................................................................... 189 how the driver works ............................................................................................................ 206 menu map ........................................................................................................................... 224 configuration page ............................................................................................................... 225 EIO configuration page......................................................................................................... 226 PS font list............................................................................................................................ 228 demo page.......................................................................................................................... 229 diagnostic test page ............................................................................................................. 231 extended diagnostic test page ............................................................................................... 233 skew test ............................................................................................................................. 234 top skew ............................................................................................................................. 235 side skew ............................................................................................................................ 236 feed skew............................................................................................................................ 238 align printheads ................................................................................................................... 239 exploded view ..................................................................................................................... 246 repair flowchart ................................................................................................................... 250 Output tray removal.............................................................................................................. 256 Removal .............................................................................................................................. 257 tear-down tree...................................................................................................................... 258 arm latch............................................................................................................................. 259 Tour the Product HP Restricted 11

rear PCA cover .................................................................................................................... 260 right IDS Cover .................................................................................................................... 260 Front Panel Assembly ............................................................................................................ 261 Left Cover ............................................................................................................................ 262 Paper Motor Assembly .......................................................................................................... 263 Carriage Motor Assembly ..................................................................................................... 263 Drive Roller Sensor PCA ........................................................................................................ 264 Input Gear Assembly ............................................................................................................ 265 EIO Box Assembly ................................................................................................................ 265 Fan Assembly ...................................................................................................................... 266 Power PCA .......................................................................................................................... 266 Logic PCA ........................................................................................................................... 267 Power Supply PCA ............................................................................................................... 267 Power Supply Cover ............................................................................................................. 268 G