DB-409/410
SERVICE HANDBOOK
2001.02
Ver. 3.0
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
KONICA CORPORATION
COPYRIGHT ©2001
CN26NF1780
CONTENTS
CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS .............
Refer to the 7020/25/30/35 service handbook on page C-1
2
1. OUTLINE
DB-409/410 PRODUCT SPECIFICATIONS .......... 1-1
2
[1] Type ........................................................ 1-1
[2] Functions ................................................ 1-1
[3] Machine data .......................................... 1-1
[4] Maintenance ........................................... 1-1
[5] Machine environment ............................. 1-1
CENTER CROSS SECTION ..................................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
[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 wires ................................ 3-4
1 OUTLINE
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
REVISED EDITION
2
DATE
Feb. 2001
PA GE
–
METHOD
REPLACEMENT
2
DB-409/410 PRODUCT SPECIFICATIONS
DB-409/410
[1] Type
Type: Tray Paper Feed
(Front Loading)
[2] Functions
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
2
(80g/m
)
[3] Machine data
Power: DC24V/5V (supplied from
main body)
Power consumption: Max.40VA (When the PTC
2
Weight: Approx. 24.5kg
Machine dimensions: Length 580mm
heater is not in use.)
Depth 595mm
Height 311mm
1 OUTLINE
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
[4] Maintenance
Maintenance: Same as main body
Machine life: Same as main body
[5] Machine environment
Temperature: 10 to 30˚C
Humidity: 20 to 80%RH
Note : Specifications are subject to change without
notice.
REVISED EDITION
2
DATE
Feb. 2001
1-1
PA GE
1-1
METHOD
REPLACEMENT
DB-409/410
1
CENTER CROSS SECTION
1 OUTLINE
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
1
Double feed prevention roller/upper
Tray
Feed roller
Double feed prevention
roller/lower
Conveyance
roller
Paper feed path
for the reverse
side copy
:
REVISED EDITION
1
DATE
May 2000
1-2
PA GE
1-2
METHOD
REPLACEMENT