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DIAGNOSTICS

25 MODE
[1] Setting procedures
A special operating mode called the 25 Mode has been provided exclusively for specifying various settings. This mode allows data in memory IC to be rewritten. (1) Turn the main switch OFF. (2) While pressing the numerical keys 2 and 5 of the copy quantity setting button, turn the main switch ON. This will enable the 25 Mode. The 25 Mode is used exclusively to rewrite in memory and, therefore, does not support normal copy operations. (3) Using the copy quantity setting buttons, specify the address number of the data to be changed. (a) Press the P button. The address number will blink in the magnification indicator. (b) Enter the desired address number using the copy quantity setting buttons. The newly-entered address number will blink in the magnification indicator. (c) Press the P button. The blinking address number will be lit. (4) Rewrite the data currently stored in that address. (a) Enter the new data using the copy quantity setting buttons. The old data appears in the tens digit position of the copy quantity indicator and newly-entered data in the ones digit position. (b) Press the copy button. This will rewrite the data and change the copy quantity display to show the new data in the tens digit position. (5) Turn the main switch OFF to exit the 25 Mode.

6-1

DIAGNOSTICS

[2] 25 Mode Address Map
Address 00 01 02 03 04 05 06 07 08 09 10 11 12 13 Copy quantity setting limit selection 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 105 104 10 10
3

Item

Setting range Initial value

Change details

Remarks

Auto Low power mode setting time selection

0, 1

0

0: setting time 1 : setting time+120min

*1

Auto shut off mode setting time selection

0, 1

0

0: setting time 1 : setting time+120min

*2

Auto start original selection Counter selection (P+1)

0-2 0, 1

0 0 0: Total count 1: Copy (developing) count

*3

0-9

0

0: Max. 1: 1 2: 3 3: 5 4: 9 5: 10 6: 20 8: 50 9: 99 7: 30

A size mode selection Preferential paper size selection OHP interleave selection Auto Low power mode time setting

0, 1 0-5:USA 0, 1 1-5

0 2:USA 1 4

0: Normal 1: A size priority *4 0: Copy sheet 1: Blank sheet 1: 2 min. 2: 5 min. 3: 10 min. 4: 15 min. 5: 30 min.

0-8:Europe 1:Europe

Auto start release time

0-3

1

0: 10 sec. 1: 20 sec. 2: 30 sec. 3: Not released

Copy control protection area 1 ADF frame erase selection 104 10
3

0, 2 0, 5 0-9

0 5:USA

0: Protected 2: Not protected

0:Europe 0: None 5: 5mm frame 3 0

PM cycle specification

0 PM count 0-9 0 2 9 9 9 9

102
1

100

6-2

DIAGNOSTICS

Address 38 39 40 41 42 43 44 45 46 105 104 10
3

Item Drum count

Setting range Initial value 0-9 0 0 0 0 0 0 0,1:Europe 0-2:USA 0-3 0 0

Change details

Remarks

102 101 10
0

Minimum original size detection selection Sorter initial mode setting

*5 0 : Non-sorter mode priority 1 : Sort priority 2 : Group priority 3 : Sort/Staple priority

47 48

Clearing fixing failures Auto reset setting

0-9 0-1

0 1

0 : Cancel 1-9 : Fault 0 : No auto reset 1 : Auto reset (Europe 90 sec., USA 120 sec.)

49

Clearing current leakage/ main relay failure

0-2

0

0 : Cancel 1 : Current leakage fault 2 : Main relay fault

50 51

Double count specification for A3 copies Initial tray selection (when canceling APS)

0, 1 0-5

0 0

0: 1 count 1: 2 counts 0: Tray1 1: Tray2 2: Tray3 3: Tray4 4: Tray5 (Japan only) 5: Bypass tray

52 53 54 55 56 57

Copy control protection area 2 Auto tray switch

0, 8 0-1

0 0

0: Protected 8: Not protected 0 : Non select 1 : Select

Auto button function selection Key counter operation specification

0-9 0, 5

0 0 0 : Stop after the paper for the ongoing copy operation has exited. 5 : Stop immediately.

*6

58 59 60 61 62 63

Initial mode setting AMS mode priority selection User's bias shift selection Auto shut off timer setting

0-7 0-3 0-3 0-3

0 3 0 0 0 : L0 1 : L1 2 : L2 3 : L3 0 : 30 min. 1 : 60 min. 2 : 90min. 3 : 120 min.

*7 *8

6-3

DIAGNOSTICS

Address 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 105 104 103 102 10
1

Item 105 104 103 102 101 100 Priority of original/transfer sheet selection Whole image selection for bypass and universal trays 100 101 102 103 104 105 10
6

Setting range Initial value 0-9 0 0 0 0 0 0 0-3 0-3 0-9 1 0 0 0 0 0 0 0 0 0 0, 1 1

Change details

Remarks

Total count

*9 *10

Master key code

107 Internal heater setting LCT paper size selection Switching the size selection/ casstte selection Copy (developing) count 0-9

0 : Internal heater not installed 1 : Internal heater install *11 0 : Size selection 1 : Cassette selection

2-5:Europe 4:Europe 2,3:USA 0, 1 3:USA 0

0 0 0 0 0 0

100 Immediate stop mode setting (Caution code P25) KRDS host password setting KRDS time/date setting KRDS telephone number setting KRDS serial number setting KRDS memory switch setting 0, 1

0

0 : Enable 1 : Disable

6-4

DIAGNOSTICS

*1 Auto Low Power Mode Setting Time Selection
Select if you add 120min to the auto low power mode setting time by the 25mode P19.

*6 Auto Button Function Selection
* "Placing original in ADF" is original setting from platen mode. * "APS selection when opening ADF" is on condition that APS is not selected when opening ADF.
Data Auto button function 0,8 1,9 Full auto Individual selection [25-P58P] Full auto Individual selection [25-P58P] Full auto Individual selection [25-P58P] Full auto Individual selection [25-P58P] Operation when placing original in ADF ADF selection ADF selection APS selection when opening ADF Stillness APS selection Stillness APS selection Stillness APS selection Stillness APS selection Stillness APS non-selection Stillness APS non-selection Stillness APS non-selection Stillness APS non-selection

*2 Auto Shut Off Mode Setting Time Selection
Select if you add 120min to the auto shut off mode setting time by the 25mode P62.

*3 Auto Start Original Selection
Data 0 1 2 Setting condition Not available for B5R or smaller originals Not available for B5R or smaller originals only when APS Available for all originals
3 2

Full auto Individual selection [25-P58P] ADF selection ADF selection

4 5

*4 Preferential Paper Size Selection
Data 0 1 2 3 4 5 6 7 8 A3 A4 A4R A5 Special F4 B5R B5 B4 Setting condition Europe USA 11 17 8.5 14 8.5 11 8.5 11R 5.5 8.5 Special (8.5 11) (8.5 11) (8.5 11)

6 7

Full auto Individual selection [25-P58P]

*7 Initial Mode Setting
* For data "7", the manual mode is set to first priority.

Data 0 1 2 3 4 5 6 7

ADF Priority Non-priority Priority Non-priority Priority Non-priority Priority Non-priority

APS Priority Priority Non-Priority Non-Priority Priority Priority Non-Priority Non-Priority

AE Priority Priority Priority Priority Non-Priority Non-Priority Non-Priority Non-Priority

*5 Minimum Original Size Detection Selection
Data 0 1 2 B5R A5R (B5R) Setting condition Europe 8.5 5.5 8.5 USA 11R 8.5 11

*8 AMS Mode Priority Selection
Data 0 1 2 3 Platen ADF Platen ADF Platen/ADF Original Platen/ADF Priority Life-size AMS Life-size Life-size AMS AMS

6-5

DIAGNOSTICS

*9 Priority of Original / Transfer Sheet Selection
* Original mode makes image under priority of original. Transfer sheet mode makes image under priority of paper size selected.

Setting 0 1

Mode All modes APS/AMS mode Other modes All modes ADF/ platen APS/AMS mode Other modes

Erasure control conditions Original mode Original mode Transfer sheet mode Transfer sheet mode Original mode

2 3

Transfer sheet mode

*10 Whole Image Selection for Bypass and Universal Trays
Data 0 1 2 3 Setting condition Not available Available for bypass tray only Available for universal tray only Available for both bypass and universal trays

6-6

DIAGNOSTICS

47 MODE
[1] Setting the 47 Mode
This model is equipped with I/O check function as self-diagnostics that can be activated in 47 mode. It is possible to check the status of each sensor and to confirm and adjust each load.

1. Setting Procedures
(1) Turn the main switch OFF. (2) While pressing the numerical keys 4 and 7 of the copy quantity setting button, turn the main switch ON. This will enable the 47 Mode. Note: Both 4 and 7 keys must be held for more than 1 second after the main switch has been turned ON. (3) To check input signals (a) Using the copy quantity setting buttons, enter the code for the desired signal (sensors, etc.). For code, refer to the I/O check code list. (b) The magnification indicator displays the level of the signal being checked, Hi or Lo. Note: Hi or Lo indicate the signal level applied to the CB (control board). (4) To check output loads (a) Using the copy quantity setting buttons, enter the code for the desired output (load, etc.). For code, refer to the I/O check code list. (b) Press the copy button. This operation will activate a load or output a signal.

Copy button

Code

Description

Berore pressing Input Input signal level indication After pressing Output Output load operation/signal
(5) Press the stop/clear button to disable the output. (6) Turn the main switch OFF to cancel the 47 Mode.

6-7

DIAGNOSTICS

[2] Input/Output Check List
Input signal source Sym- MultiName bol mode CVR CVR ACK signal TLD Toner level detection signal Internal temperature sensor Indication and signal source Hi Lo 00 01 02 Output load/signal Code Sym- MultiName bol mode L1 Exposure lamp Toner supply motor Charging

Normal Abnormal Yes No Depends on the condition of the machine

SSB1 SSB2 PFUB SSB121 SSB122 PS1 PS3 PS8 PS111 PS2 PS121 PS122 PS123

Paper size signal (Main Body/Upper) Paper size signal (Main Body /Lower) Paper size signal (DBU/Upper) Paper size signal (DBU/Middle, LCT) Paper size signal (DBU/Lower) Paper feed sensor (Upper) Pre-shutter sensor signal Exit detecting sensor signal Paper feed sensor (LCT) Paper feed sensor (Lower) Paper feed sensor (DBU/Upper)/ LCT upper limit sensor Paper feed sensor (DBU/Middle) Paper feed sensor (DBU/Lower)/ LCT sensor LCT connection signal Optics home position sensor signal Optics lens home position sensor signal

See*1

Yes Yes Yes

No No No

03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

Transfer (*) Separation (*)

Developing bias (dark-40V) Developing bias (normal-150V) Developing bias (light-280V) KRDS

SD1 SD2

Yes Yes

No No

SD4 SD3 SD123

Paper feed solenoid (Upper) Paper feed solenoid (Lower) Paper feed solenoid (DBU /Upper)/LCT motor Paper feed solenoid (DBU/Middle) Bypass feed solenoid Resist solenoid Paper feed solenoid (DBU/Lower/LCT)

PS4 PS7

Yes Yes Yes

No No No

SD5 M2

LCT1 solenoid Separation claw solenoid Optics drive motor Lens unit drive

PS112

LCT1 paper feed sensor

Yes

No

SD6

Optics shutter

(*) Don't turn ON without connecting the dummy resistance.

6-8

DIAGNOSTICS

Input signal source Sym- MultiName bol mode PS113 LCT1 paper conveyance sensor

Indication and signal source Hi Yes Lo No

Output load/signal Code Sym- Multibol mode Name

C(K)

Key counter connection signal

Yes

No

36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58

M1 M6 M4 C(T) L2

Main motor Drum drive motor Cooling fan motor Total counter Fixing heater lamp

OB CEL

Operation board(all light) CEL (all light) L detection adjustment

L detection control data (default)

PS304

ADF interlock Changeover section interlock ADF no paper sensor ADF paper size sensor ADF original exit sensor signal

OFF Yes Yes Yes Yes

ON No No No No

PS306

59 60 61 62 63 64 65 66 67 68 69 70 71 72

M301 M301

L detection control data (Upon completion of L detection adjustment) L detection control data (current) ADF motor rotation (CCW) ADF motor reverse rotation (CW)

ADF original feed solenoid

ADF paper feed clutch ADF speed reduction exit solenoid ADF running mode

6-9

DIAGNOSTICS

Input signal source Sym- Multibol mode Name

Indication and signal source Hi Lo

Output load/signal Code Sym- Multibol mode Name

Sorter connection signal

Yes

No

73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99

PM count clear Drum count clear Memory initial set *2

AE

AE automatic adjustment mode

*1: Indications for each paper size
Paper size A3 A4 A4R B4 B5 B5R B6R Universal No tray "8.5 14" "8.5 11" "8.5 11R" Indication 4 6 5 0 2 1 3 E F A 7 d


Code 15 Multi-mode No. 94 98 03 04 69 01 02 01 02 01 Description Service engineer call Setup call KRDS memory initialization Normal mode output Back-side mode Normal mode output Back-side mode ADF test mode

*2: Note-that all memorized data (include adjustment data)are reset when memory initial set is executed.

6-10