Iq3 Black Copies Or Prints Rap; Iq4 Blurred Image From The Scanner Rap - Xerox Phaser 3635MFP Service Manual

IQ3 Black Copies or Prints RAP

Use this RAP when the machine produces black copies and prints.
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.
Refer to Wiring Diagram 3. Perform the following:
1. Make a print, make a copy. If the print and copy are both black, go to the 06-100, 06-200
LSU Error RAP.
2. Check the CCD module cable, PL 14.10 Item 23, between the CCD module and CN3 on
the Main PWB. If necessary, install a new CCD module cable, PL 14.10 Item 23.
3. If necessary install a new CCD module, PL 14.10 Item 8.
4. Perform OF7 Main PWB Check RAP.
5. Refer to Wiring Diagram 2. Perform the following:
• Check the spring contacts between the HVPS, PL 1.10 Item 3, and the print car-
tridge, PL 9.10 Item 1. The spring contacts supply the voltages to the print cartridge.
If necessary, clean the spring contacts.
• If necessary, install a new HVPS, PL 1.10 Item 3.
Draft 4
Phaser 3635MFP

IQ4 Blurred Image From the Scanner RAP

Use this RAP when the scanner produces blurred images.
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. Check the gap between the pressure plate and the CVT glass. Perform the following:
a. Put a sheet of A4 or 8.5x11 inch paper over the CVT glass, PL 14.10.
b. Close the DADF.
c. Carefully pull the paper from underneath the DADF. Make sure that the paper was
pressed between the pressure plate and the CVT glass. If necessary, install a new
DADF PL 5.10.
2. Perform the Shading Test procedure, GP 15. If the shading test fails:
a. 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.
b. Perform OF7 Main PWB Check RAP.
3-9
WARNING
Image Quality
IQ3, IQ4