Xerox 4150 - WorkCentre B/W Laser, Service Manual

Page: 186 / 631

January 2016
3-9 WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
IQ2, IQ3
Image Quality
• Check the spring contacts in the terminal assembly, PL 4.15 Item 13 . The
spring contacts supply the voltages to the xerographic module and the side
cover assembly. If necessary, clean the spring contacts. If necessary, install a
new terminal assembly,
PL 4.15 Item 13 .
• Check the wiring between CON2 on the HVPS and the terminal assembly, PL
4.15 Item 13 .
• Check the wiring between CON1 on the HVPS and CN7 on the Main PWB .
• Check the xerographic module ground connector, PL 4.15 Item 26 . Make sure
that the connector is grounded.
• Install a new HVPS, PL 1.15 Item 2 .
• Install a new side cover assembly, PL 7.30 Item 1 .
i. (4265) Refer to Wiring Diagram 34. Perform the following:
• Check the spring contacts in the terminal assembly, PL 4.15 Item 13 . The
spring contacts supply the voltages to the xerographic module and the side
cover assembly. If necessary, clean the spring contacts. If necessary, install a
new terminal assembly,
PL 4.15 Item 13 .
• Check the wiring between CON2 on the HVPS and the terminal assembly, PL
4.15 Item 13 .
• Check the wiring between CON1 on the HVPS and CN13 on the Main PWB .
• Check the xerographic module ground connector, PL 4.15 Item 26 . Make sure
that the connector is grounded.
• Install a new HVPS, PL 1.15 Item 2 .
• Install a new side cover assembly, PL 7.30 Item 1 .
j. Perform the OF5 Main PWB Check RAP.
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.
Go to the relevant procedure:
• 4150 Checkout
• 4250/4260 Checkout
• 4265 Checkout
4150 Checkout
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, 200 LSU
Error RAP.
2. Check the ribbon cable, PL 14.10 Item 7 between the CCD module and CN3 on the Main
PWB . If necessary, install a new CCD ribbon cable, PL 14.10 Item 7 .
3. Refer to Wiring Diagram 2 . Check the wiring between CON1 on the HVPS and the termi-
nal assembly, PL 4.15 Item 13 .
4. If the machine prints a black configuration page, perform the following:
a. dC132 NVM Initialization.
b. Check the memory DIMM, PL 1.10 Item 22 . If necessary, install a new memory
DIMM.
c. Perform GP 19 Memory Clear.
5. Install new components as necessary:
• CCD module, PL 14.10 Item 2 .
• HVPS, PL 1.10 Item 2 .
6. Perform the OF5 Main PWB Check RAP.
4250/4260 Checkout
Refer to Wiring Diagram 21 . Perform the following:
1. Make a print, make a copy. If the print and copy are both black, go to the 06-100, 200 LSU
Error RAP.
2. Check the ribbon cable, PL 14.13 Item 7 between the CCD module and CN3 on the Main
PWB . If necessary, install a new CCD ribbon cable, PL 14.13 Item 7 .
3. Refer to Wiring Diagram 18 . Check the wiring between CON2 on the HVPS and the termi-
nal assembly, PL 4.15 Item 13 .
4. If the machine prints a black configuration page, perform the following:
a. dC132 NVM Initialization.
b. Check the memory DIMM, PL 1.15 Item 22 . If necessary, install a new memory
DIMM.
c. Perform GP 19 Memory Clear.
5. Install new components as necessary:
• CCD module, PL 14.13 Item 2 .