Konica 7075 GUIDE MANUAL l401e
LT-401
SERVICE HANDBOOK
Dec. 1999
Ver. 1.0
KONICA CORPORATION
TECHNOLOGY SUPPORT CENTER
TOKYO JAPAN
KCS706511
CONTENTS
CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS ..................
Refer to the 7075 serveice handbook on page C-1
1. OUTLINE
LT-401 PRODUCT SPECIFICATIONS ................... 1-1
[1] Type ............................................................1-1
[2] Functions ....................................................1-1
[3] Machine Data..............................................1-1
[4] Maintenance ............................................... 1-1
[5] Operating Environment ............................... 1-1
CENTER CROSS SECTION DRAWING ................ 1-2
DRIVE SYSTEM DRAWING ................................... 1-3
[1] Paper feed drive unit................................... 1-3
[2] Stacked paper up/down wire drive unit ....... 1-4
2. UNITEXPLANATION
PAPER FEED UNIT ................................................ 2-1
[1] Composition ................................................ 2-1
[2] Mechanisms................................................2-1
[3] First paper feed control ............................... 2-2
[4] Up/down plate drive control ........................ 2-4
[5] Remaining paper detection/No paper
detection control..........................................2-5
3. DISASSEMBLY/ASSEMBLY
PAPER FEED SECTION.........................................3-1
[1] Cleaning the Paper Dust
Removing Brush ......................................... 3-1
[2] Cleaning the PS106 (LT feed PS)/PS107
(LT first paper feed PS)...............................3-1
[3] Removing and Reinstalling the Paper
Feed Roller Unit .......................................... 3-1
[4] Replacing the Paper feed Roller Rubber/
Feed Roller Rubber.....................................3-2
[5] Replacing the Double Feed
Prevention Roller ........................................ 3-3
[6] Replacing MC101 (LT feed MC)/MC102
(LT first paper feed MC).............................. 3-4
[7] Replacing the Up/down Wires.....................3-5
1
OUTLINE
1 OUTLINE
LT-401 PRODUCT SPECIFICATIONS
LT-401
[1] Type
Type: Side mount type large volume paper
feed tray
[2] Functions
Document size:
Standard size paper: A4/B5/8.5 x 11
Maximum quantity: 4000 sheets
(80g/m2)
[3] Machine Data
Power source: 24V DC/5V (supplied
from the main unit),
AC 30V
Max. power consumption:
Weight: Approx. 30 kg
Machine dimensions:
82W
1 OUTLINE
430mm
639mm
[4] Maintenance
Maintenance: Same as the main unit
Machine life: Same as the main unit
[5] Operating Environment
Temperature:
10°C to 30°C (50°F to 86°F)
Humidity:
10% to 80%RH
Note: The contents of this manual may change
without prior notice.
690mm
1 - 1
LT-401
CENTER CROSS SECTION DRAWING
1 OUTLINE
Feed roller
Conveyance roller
Paper feed roller
Top cover
Up/down wire
(the other side
wire as well)
Double feed
prevention roller
Up/down plate
1 - 2
DRIVE SYSTEM DRAWING
LT-401
[1] Paper feed drive unit
LT First paper feed SD
(SD100)
FRONT
1 OUTLINE
Feed roller
Paper feed roller
Conveyance roller
FRONT
LT First paper feed MC
(MC 102)
Double feed
prevention roller
LT paper feed motor
(M101)
LT feed drive MC
(MC101)
Paper feed roller
Feed roller
1 - 3
LT-401
1 OUTLINE
[2] Stacked paper up/down wire drive unit
Up/down plate
FRONT
LT up/down motor
Tray up/down shaft
1 - 4
2
UNIT EXPLANATION
2 UNIT EXPLANATION
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