Iq6 Vertical White Lines Rap - Xerox Phaser 3635MFP Service Manual

IQ6 Vertical White Lines RAP

Use this RAP when there are white lines along the process direction, as shown in
Ensure the IQ1 Image Quality Entry RAP
Figure 1 Vertical white lines
Procedure
WARNING
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. Refer to Wiring Diagram 3 (3635) (3635) or
appears only in copy mode, perform the following:
a. Check the ribbon cable between the CCD module and CN8 (3635) or CN31 (3550)
on the Main PWB.
b. Perform the Shading Test procedure,
i. Install new components as necessary:
• (3635) CCD module,
• (3550) CCD module,
• (3635) CCD module cable,
• (3550) CCD module cable,
• (3635) Scanner assembly,
• (3550) Scanner assembly,
ii. Perform OF7 Main PWB Check
3. Remove the print cartridge, PL 9.10 Item
the LSU from imaging the print cartridge.
Phaser 3635MFP/WorkCentre 3550
Figure
is performed before starting this RAP.
Wiring Diagram 12 (3550) (3550). If the defect
GP 15 Shading Test. If the shading test fails:
PL 14.10 Item 8.
PL 14.11 Item 2.
PL 14.10 Item 23.
PL 14.11 Item 5.
PL 14.10 Item 26.
PL 14.11 Item 21.
RAP.
1. Ensure there are no obstructions that block
4. Remove the LSU, PL 6.10 Item
necessary, install a new LSU,
1.
5. Install a new print cartridge,
April 2010
3-11
1. Clean the LSU window using a clean, lint-free cloth. If
PL 6.10 Item 1.
PL 9.10 Item 1.
Image Quality
IQ6