Konica 7022 WIRING DIAGRAM df314e
DF-314
SERVICE HANDBOOK
2001.02
Ver. 3.0
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
KONICA CORPORATION
COPYRIGHT ©2001
CN26NF1780
CONTENTS
1
CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS .............
Refer to the 7020/25/30/35 service handbook on page C-1
2
1. OUTLINE
DF-314 PRODUCT SPECIFICATIONS .................. 1-1
[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
ORIGINAL CONVEYANCE PROCESS ................. 1-4
[1] Single-side original copy mode ............... 1-4
[2] Double-side original copy mode ............. 1-5
[3] Mixed original copy mode ....................... 1-5
2. UNIT EXPLANATION
EXTERNAL SECTION ........................................... 2-1
[1] Composition ............................................ 2-1
[2] Mechanisms ........................................... 2-1
ORIGINAL FEED/REVERSAL/ORIGINAL EXIT
SECTION ............................................................... 2-2
[1] Composition ............................................ 2-2
[2] Mechanisms ........................................... 2-2
[3] Original feed/conveyance/scan control ... 2-3
[4] Original exit/reversal and conveyance
control ..................................................... 2-5
[5] Original size detection control ................ 2-7
1 OUTLINE
2 UNIT EXPLANATION
3
Assembly
3 DIS./ASSEMBLY
3. DISASSEMBLY/ASSEMBLY
DISASSEMBLY/ASSEMBLY .................................. 3-1
[1] Replacing feed roller/A ........................... 3-1
[2] Replacing the double-feed prevention
roller/A assy ............................................ 3-1
[3] Replacing the read roller ........................ 3-2
[4] Removing and attaching the paper dust
2
removing brush ....................................... 3-3
REVISED EDITION
2
DATE
Feb. 2001
PA GE
–
METHOD
REPLACEMENT
1
OUTLINE
1 OUTLINE
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
DF-314 PRODUCT SPECIFICATIONS
DF-314
[1] Type
Type:
Sheet-through Type reversible
DF
[2] Functions
Originals Size:
2
Original Type
Plain Original: 35g/m
Special Original: Original feed and convey-
Original Curling: 10mm maximum (35g/m
A3, B4, A4, A4R, B5, A5,
A5R, B5R, B6R, 11x17,
8.5x14, F4, 8.5x11, 8.5x11R,
5.5x8.5, 5.5x8.5R
• Only single-side mode is
available with B6R
• All sizes are detected
automatically.
• Mixing of original size
possible.
2
- 130g/m2 fine quality
original
ance ability may be inferior
those of 35g/m
fine quality original.
The following types of original
cannot be used:
• OHP film
• Blueprint masters
• Offset masters
• Bonded original
130g/m
2
high-quality paper)
Original
2
to 130g/m
2
to
Original scan speed (copies per minute)
Mode 7020/25/30 7035
2
Single sided Original → 30 35
Single sided Copy
Double sided Original → 18 18
Double sided Copy
Original Feed Layout:
Face-up placement, centre
standard
Original image read Position:
At the slit glass section
1 OUTLINE
2 UNIT EXPLANATION
[3] Machine data
Power Source: DC24V/5V (supplied from the
main body)
Max. Power Consumption:
Max.100VA
Weight: Approximately 10.7kg
2
Machine Dimensions: Length 576mm
(including about 1.1kg for
platen)
Depth 498mm
Height 100mm
(Excluding the original feed tray)
3 DIS./ASSEMBLY
[4] Maintenance
Maintenance: Same as the main unit
Machine Life: Same as the main unit
Curling
Maximum number of stacked originals:
50 sheets Maximum (80g/m2)
REVISED EDITION
2
DATE
Feb. 2001
[5] Machine environment
Temperature: 10 to 30˚C
Humidity: 20 to 80%RH
Note: Specifications are subject to change without
notice.
PA GE
1-1
1-1
METHOD
REPLACEMENT
DF-314
1
CENTER CROSS SECTION
1 OUTLINE
2 UNIT EXPLANATION
3 DIS./ASSEMBLY
1
Reversal guide
Original conveyance
rollers
Registration roller
Read-out roller
Separation roller
Original feed roller
Paper lift-up plate
Double feed prevention roller
Reversal roller
Original exit roller
Exit guide
REVISED EDITION
1
DATE
May 2000
1-2
PA GE
1-2
METHOD
REPLACEMENT
DRIVE SYSTEM DIAGRAM
DF-314
1
Original conveyance motor (M302)
Original feed motor (M301)
Original reversal motor (M303)
Original exit roller
Exit guide
Registration
roller
Double feed
prevention roller
Reversal guide
1 OUTLINE
Separation roller
Original feed roller
Paper lift-up plate
Feed drive
Reversal roller
2 UNIT EXPLANATION
Reversal drive
Roller pressure SD (SD302)
3 DIS./ASSEMBLY
*Reversal and Exit Rollers
A reversal roller pulley is attached to the original
exit roller shaft. The reversal roller conveys the
original through pressure being applied on the
pulley by the roller pressure SD.
Original exit roller
Reversal roller
Pulley
Roller pressure SD (SD302)
Conveyance/exit drive
Exit SD (SD303)
REVISED EDITION
1
DATE
May 2000
1-3
PA GE
1-3
METHOD
REPLACEMENT
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