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DB-409
SERVICE HANDBOOK
2000.02
Ver. 1.0
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
CONTENTS
1 OUTLINE
CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS ............. 1. OUTLINE
Refer to the 7020 service handbook on page C-1 DB-409 PRODUCT SPECIFICATIONS ................. 1-1
[1] Type ........................................................ 1-1
[2] Functions ................................................ 1-1
[3] Machine data .......................................... 1-1
2 UNIT EXPLANATION
[4] Maintenance ........................................... 1-1
[5] Machine environment ............................. 1-1
CENTRE CROSS-SECTIONAL DRAWING ........... 1-2
DRIVE SYSTEM DIAGRAM ................................... 1-3
2. UNIT EXPLANATION
PAPER FEED SECTION ........................................ 2-1
[1] Composition ............................................ 2-1
[2] Mechanisms ........................................... 2-1
[3] Paper feed and no paper detection
control ..................................................... 2-2
[4] Tray up and down control ....................... 2-3
3 DIS./ASSEMBLY
[5] Paper size detection control ................... 2-4
[6] Control of paper-level detection .............. 2-5
3. DISASSEMBLY/ASSEMBLY
DISASSEMBLY/ASSEMBLY .................................. 3-1
[1] Removing and reinstalling the paper
feed tray .................................................. 3-1
[2] Removing and reinstalling the paper
feed unit .................................................. 3-1
[3] Replacing the feed roller rubber and
double feed prevention rubber/upper ..... 3-2
[4] Replacing the double feed prevention
rubber/lower ............................................ 3-3
[5] Replacing the wire .................................. 3-4
1
OUTLINE
3 DIS./ASSEMBLY 2 UNIT EXPLANATION 1 OUTLINE
DB-409
1 OUTLINE
DB-409 PRODUCT SPECIFICATIONS
[1] Type
Type: Tray Paper Feed
(Front Loading)
[2] Functions
2 UNIT EXPLANATION
Paper size: A4, A4R, B5, B5R, 8.5 x 11,
8.5 x 11R
Paper type: 60g/m2 - 90g/m2 high quality
paper
Maximum
paper capacity: 1,500 Sheets
(80g/m2)
[3] Machine data
Power: DC24V/5V (supplied from
3 DIS./ASSEMBLY
main body)
Power consumption: Max.30VA
Weight: Approx. 23.5kg.
Machine dimensions: Length 580mm
Depth 595mm
Height 304mm
[4] Maintenance
Maintenance: Same as main body
Machine life: Same as main body
[5] Machine environment
Temperature: 10 to 30