KONICA 7020 SERVICE HANDBOOK
DB-209
SERVICE HANDBOOK
2000.02
Ver. 1.0
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
CONTENTS
CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS .............
Refer to the 7020 service handbook on page C-1
1. OUTLINE
DB-209 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
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 .......................2-4
[5] Paper size detection control ...................2-5
[6] Control of paper-level detection..............2-6
[7] Jam detection control ............................. 2-6
3. DISASSEMBLY/ASSEMBLY
DISASSEMBLY/ASSEMBLY..................................3-1
[1] Removing and reinstalling 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] Repacing the double feed prevention
rubber/lower............................................ 3-3
1 OUTLINE
2 UNIT EXPLANA TION
3 DIS./ASSEMBLY
1
OUTLINE
1 OUTLINE
2 UNIT EXPLANA TION
3 DIS./ASSEMBLY
DB-209 PRODUCT SPECIFICATIONS
DB-209
[1] Type
Type: Tray paper feed
(Front loading)
[2] Functions
Paper size: A3, B4, A4, A4R, B5, B5R
A5R, 8.5 x 11, 8.5 x 11R,
8.5 x 14, 11 x 17
Paper type: 60g/m
Maximum
Paper capacity: 500 Sheets x 2 Trays
2
to 90g/m2 high quality
paper
2
(80g/m
)
[3] Machine data
Power: DC24V/5V (supplied from
main body)
Power consumption: Max.30VA
Weight: Approx. 25.5kg
Machine
Dimensions: Length 580mm
Depth 595mm
Height 304mm
1 OUTLINE
2 UNIT EXPLANA TION
3 DIS./ASSEMBLY
[4] Maintenance
Maintenance: Same as main body
Machine Life: Same as main body
[5] Machine operation environment
Temperature: 10 to 30˚C
Humidity: 10 to 80%RH
(below condensation-forming
conditions)
Caution: The contents of this Handbook may be
revised for the purposes of improvement
without notice.
1-1
DB-209
CENTRE CROSS-SECTIONAL DRAWING
1 OUTLINE2 UNIT EXPLANA TION3 DIS./ASSEMBLY
Paper lift-up plates
Feed rollers
Paper lowering levers
Double feed prevention
rollers/upper
Double feed prevention
roller/lower
Conveyance
rollers
1-2
DRIVE SYSTEM DIAGRAM
Conveyance roller
DB-209
1 OUTLINE
Double feed prevention roller/upper
2 UNIT EXPLANA TION
1st paper feed SD (upper) (SD101)
Conveyance roller
DB drive motor (M101)
3 DIS./ASSEMBLY
Double feed prevention roller/lower
1st paper feed SD (lower) (SD102)
1-3
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