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1) Copy lamp replacement . . . . . . . . . . . . . . 6-6
2) Mirror base wire replacement and
adjustment . . . . . . . . . . . . . . . . . . . . . . . . 6-7
3) No. 2/3 mirror unit (mirror base B)
installation (Mirror base B positioning) . . . 6-9
4) Copy lamp unit installation
(Mirror base A positioning) . . . . . . . . . . . 6-10
5) No. 4/5 mirror unit (mirror base C)
replacement . . . . . . . . . . . . . . . . . . . . . . 6-10
6) Lens wire replacement . . . . . . . . . . . . . . 6-12
7) Lens unit replacement . . . . . . . . . . . . . . 6-15
5. High voltage section . . . . . . . . . . . . . . . . . . . . 6-15
5-1. Main charger (MC) unit . . . . . . . . . . . . . . 6-15
5-2. Transfer/separation charger (TC/SC)
unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
6. Process section . . . . . . . . . . . . . . . . . . . . . . . 6-17
6-1. Process unit . . . . . . . . . . . . . . . . . . . . . . 6-17
6-2. Waste toner bottle replacement
(required when waste toner full detection/
maintenance) . . . . . . . . . . . . . . . . . . . . . 6-17
6-3. Drum (Replace every 60K copies) . . . . . 6-18
6-4. Blank lamp unit
(Clean every 60K copies.) . . . . . . . . . . . 6-18
6-5. Discharge lamp unit
(Clean every 60K copies.) . . . . . . . . . . . 6-19
6-6. Cleaner blade
(Replace every 60K copies.) . . . . . . . . . . 6-19
6-7. Drum separation pawl
(Replace every 60K copies.) . . . . . . . . . . 6-19
6-8. Process control PWB (Clean the sensor
section every 60K copies.) . . . . . . . . . . . 6-19
6-9. Drum mark sensor PWB (Clean the sensor
section every 60K copies.) . . . . . . . . . . . 6-19
6-10. Toner reception seal (Replace every 60K
copies.) . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
7. Developing section . . . . . . . . . . . . . . . . . . . . . 6-20
A. DV side seals F/R replacement
(Replace every 120K copies.) . . . . . . . . . 6-20
B. DB blade replacement
(Replace every 120K copies.) . . . . . . . . . 6-20
C. V ring attachment . . . . . . . . . . . . . . . . . . 6-20
D. Note for toner hopper drive gear (31T)
and stirring shaft attachment . . . . . . . . . 6-21
8. Operation panel/intermediate cabinet . . . . . . . 6-21
9. Frame major parts . . . . . . . . . . . . . . . . . . . . . . 6-21
9-1. Cooling fan motor replacement . . . . . . . . 6-21
9-2. Power unit . . . . . . . . . . . . . . . . . . . . . . . . 6-22
9-3. Tray size detecting PWB . . . . . . . . . . . . 6-22
9-4. Main PWB unit . . . . . . . . . . . . . . . . . . . . 6-23
9-5. AC power PWB . . . . . . . . . . . . . . . . . . . . 6-23
9-6. Ozone filter (Check every 60K copies,
and clean every 300K copies.) . . . . . . . . 6-23
10. Multi paper feed unit . . . . . . . . . . . . . . . . . . . . 6-24
10-1. Separation roller . . . . . . . . . . . . . . . . . . . 6-24
10-2. Take-up roller/paper feed roller . . . . . . . 6-24
[7] ADJUSTMENTS
1. Developing section . . . . . . . . . . . . . . . . . . . . . . 7-1
1-1. Developing doctor clearance
adjustment . . . . . . . . . . . . . . . . . . . . . . . . 7-1
1-2. Developing magnet roller main pole
position adjustment . . . . . . . . . . . . . . . . . . 7-1
2. Optical system . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
2-1. Adjustment items . . . . . . . . . . . . . . . . . . . 7-2
2-2. Note for adjustments . . . . . . . . . . . . . . . . 7-3
2-3. Adjustment of each section . . . . . . . . . . . 7-4
A. Lens reference position adjustment . . . . . 7-4
B. No.4/5 mirror reference position
adjustment . . . . . . . . . . . . . . . . . . . . . . . . 7-4
C. Vertical copy magnification ratio
adjustment . . . . . . . . . . . . . . . . . . . . . . . . 7-5
D. Resolution adjustment
(Focus adjustment) . . . . . . . . . . . . . . . . . . 7-6
E. Horizontal copy magnification ratio
adjustment . . . . . . . . . . . . . . . . . . . . . . . . 7-8
F. Comparison table of lens values and
simulation input values . . . . . . . . . . . . . . . 7-9
G. Vertical skew adjsutment . . . . . . . . . . . . 7-10
H. Horizontal skew adjustment . . . . . . . . . . 7-10
I.
Center shift adjustment . . . . . . . . . . . . . . 7-12
J. Exposure balance adjustment . . . . . . . . 7-12
K. Copy lead edge adjustment . . . . . . . . . . 7-13
2-4. Copy density adjustment . . . . . . . . . . . . 7-16
2-5. Process section adjustment . . . . . . . . . . 7-20
[8] SIMULATION
. . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
2. Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
3. Operating procedure . . . . . . . . . . . . . . . . . . . . . 8-1
4. List of simulations . . . . . . . . . . . . . . . . . . . . . . . 8-2
5. Details of simulations . . . . . . . . . . . . . . . . . . . . 8-3
6. User simulation
(1) Functions which can be set and
canceled by the user simulation . . . . . . . 8-16
(2) User simulation . . . . . . . . . . . . . . . . . . . 8-16
(3) User simulation code table . . . . . . . . . . . 8-17
(4) Department counter setting content
(Set with user program P10 ∼ P15) . . . . 8-17
[9] SELF DIAGNOSTICS
1. Summary/purpose . . . . . . . . . . . . . . . . . . . . . . . 9-1
2. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
3. Clearing the self diag display . . . . . . . . . . . . . . 9-1
. . . . . . . . . . . . . . . . . . . . . . . . 7-1
. . . . . . . . . . . . . . . . . . . . . . . 8-16
. . . . . . . . . . . . . . . . . . . 9-1
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