Iq2 Blank Copies Rap - Xerox phaser 3635 Service Manual
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Also See for phaser 3635:
- User manual (228 pages) ,
- System administration manual (212 pages) ,
- Service manual (7 pages)
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Figure 7 Test pattern 8 and 16
Image Quality
IQ1, IQ2
IQ2 Blank Copies RAP
Use this RAP when the machine produces blank copies.
Procedure
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
1.
Determine the source of the problem. Make a print. Make a copy.
2.
If the fault appears only in copy mode, perform the following:
a.
Ensure the DADF is closed. Room illumination can be transmitted through thin origi-
nals.
b.
If the fault appears only when using the DADF, check that the scanner lock, PL 14.10
Item 22 is completely unlocked.
c.
Perform the Shading Test procedure, GP 15. If the shading test fails:
i.
Install new components as necessary:
•
CCD module, PL 14.10 Item 8.
•
CCD module cable, PL 14.10 Item 23.
•
Scanner assembly, PL 14.10 Item 26.
ii.
Perform OF7 Main PWB Check RAP.
3.
If the fault appears in all modes, perform the following:
a.
Examine the print cartridge, PL 9.10 Item 1. Ensure it is free from all packing or seal-
ing material.
b.
Check the LSU. Go to the 06-100, 06-200 LSU Error RAP.
c.
Refer to Wiring Diagram 5. Perform the following:
•
Check the wiring between the LSU and CN24 on the Main PWB.
•
Install a new LSU, PL 6.10 Item 1.
d.
Perform the following:
•
Refer to Wiring Diagram 2. Check the spring contacts between the HVPS PL
1.10 Item 3 and the print cartridge PL 9.10 Item 1. The spring contacts supply
the voltages to the print cartridge. If necessary, clean the spring contacts.
•
Check the following wiring:
–
Wiring Diagram 1. Between CON3 on the SMPS and the CN6 on the Con-
nection PWB.
–
Wiring Diagram 2. Between CN31 on the Main PWB and CN5 on the
HVPS.
–
Wiring Diagram 6. Between CN5 on the Connection PWB and CN26 on
the Main PWB.
e.
Install new components as necessary:
•
HVPS, PL 1.10 Item 3.
•
Connection PWB, PL 3.10 Item 17.
•
Print cartridge, PL 9.10 Item 1.
Perform OF7 Main PWB Check RAP.
3-8
WARNING
Phaser 3635MFP
Draft 4
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