Iq3 Black Copies Or Prints Rap - Xerox Phaser 3635MFP Service Manual

• HVPS, PL 1.10 Item 3.
• Connection PWB, PL 3.10 Item
• Print cartridge, PL 9.10 Item
Perform OF7 Main PWB Check
3550 Checkout
1. Determine the source of the problem. Make a print. Make a copy.
2. If the defect appears only in copy mode, perform the following:
a. If the defect appears only when using the DADF, check that the scanner lock,
14.11 Item 24 is completely unlocked.
b. Perform the Shading Test procedure,
i. Install new components as necessary:
• CCD module, PL 14.11 Item
• CCD module cable, PL 14.11 Item
• Scanner assembly, PL 14.11 Item
ii. Perform OF7 Main PWB Check
3. If the defect appears in all modes, perform the following:
a. Examine the print cartridge, PL 9.10 Item
ing material.
b. Check the LSU. Go to the 06-100, 06-200 LSU Error
c. Refer to Wiring Diagram 14 (3550)
• Check the wiring between the LSU and CN17 on the
• Install a new LSU, PL 6.10 Item
d. Perform the following:
• Refer to Wiring Diagram
check the spring contacts between the HVPS,
tridge, PL 9.10 Item 1. The spring contacts supply the voltages to the print car-
tridge. If necessary, clean the spring contacts.
• Check the following wiring:
– Wiring Diagram 1 Between CON3 on the
nection PWB.
– Wiring Diagram 2. Between CN15 on the
HVPS.
– Wiring Diagram 15 (3550)
CN12 on the Main PWB.
e. Install new components as necessary:
• HVPS, PL 1.10 Item 3.
• Connection PWB, PL 3.10 Item
• Print cartridge, PL 9.10 Item
Perform OF7 Main PWB Check
Phaser 3635MFP/WorkCentre 3550
17.
1.
RAP.
GP 15 Shading Test. If the shading test fails:
2.
5.
21.
RAP.
1. Ensure it is free from all packing or seal-
RAP.
Perform the following:
Main PWB.
1.
2. Remove the terminal cover, PL 9.10 Item
PL 1.10 Item 3 and the print car-
SMPS and the CN1 on the
Main PWB and CN5 on the
Between CN2 on the Connection PWB
17.
1.
RAP.

IQ3 Black Copies or Prints RAP

Use this RAP when the machine produces black copies and prints.
Ensure the IQ1 Image Quality Entry RAP
Procedure
Switch off the electricity to the machine. Disconnect the power cord from the customer
PL
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:
• 3635 Checkout
• 3550 Checkout
3635 Checkout
Refer to Wiring Diagram 3 (3635). Perform the following:
1. Ensure the machine software is at version 20.100.29.000 or above.
2. Make a print, make a copy. If the print and copy are both black, go to the
LSU Error RAP.
3. Check the CCD module cable,
the Main PWB. If necessary, install a new CCD module cable,
4. If necessary install a new CCD module,
5. Refer to Wiring Diagram
• Check the spring contacts between the HVPS,
tridge, PL 9.10 Item
6, then
If necessary, clean the spring contacts.
• If necessary, install a new HVPS,
6. Perform OF7 Main PWB Check
3550 Checkout
Con- Refer to Wiring Diagram 12 (3550). Perform the following:
1. Make a print, make a copy. If the print and copy are both black, go to the
LSU Error RAP.
2. Check the CCD module cable,
and the Main PWB. If necessary, install a new CCD module cable,
3. If necessary install a new CCD module,
4. Refer to Wiring Diagram
• Check the spring contacts between the HVPS,
tridge, PL 9.10 Item
If necessary, clean the spring contacts.
• If necessary, install a new HVPS,
5. Perform OF7 Main PWB Check
April 2010
3-9
is performed before starting this RAP.
WARNING
PL 14.10 Item 23, between the CCD module and CN8 on
PL 14.10 Item
PL 14.10 Item 8.
2. Perform the following:
PL 1.10 Item
1. The spring contacts supply the voltages to the print cartridge.
PL 1.10 Item 3.
RAP.
PL 14.11 Item 5, between the CCD module and CN31 on
PL 14.11 Item
PL 14.11 Item 2.
2. Perform the following:
PL 1.10 Item
1. The spring contacts supply the voltages to the print cartridge.
PL 1.10 Item 3.
RAP.
06-100, 06-200
23.
3, and the print car-
06-100, 06-200
5.
3, and the print car-
Image Quality
IQ2, IQ3