Iq2 Blank Copies Rap - Xerox Phaser 3635MFP Service Manual

Figure 7 Test pattern 8 and 16
Image Quality
IQ1, IQ2

IQ2 Blank Copies RAP

Use this RAP when the machine produces blank copies.
Ensure the IQ1 Image Quality Entry RAP
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.
Go to the relevant procedure:
• 3635 Checkout
• 3550 Checkout
3635 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,
14.10 Item 22 is completely unlocked.
b. Perform the Shading Test procedure,
i. Install new components as necessary:
• CCD module,
• CCD module cable,
• Scanner assembly,
ii. Perform OF7 Main PWB Check
3. If the defect appears in all modes, perform the following:
a. Ensure the machine software is at version 20.100.29.000 or above.
b. Examine the print cartridge,
ing material.
c. Check the LSU. Go to the
d. Refer to Wiring Diagram 5 (3635)
• Check the wiring between the LSU and CN24 on the
• Install a new LSU,
e. Perform the following:
• Refer to Wiring Diagram
check the spring contacts between the HVPS
tridge PL 9.10 Item
tridge. If necessary, clean the spring contacts.
• Check the following wiring:
– Wiring Diagram
nection PWB.
– Wiring Diagram
HVPS.
– Wiring Diagram 6 (3635)
CN26 on the
f. Install new components as necessary:
April 2010
3-8
is performed before starting this RAP.
WARNING
GP 15 Shading Test. If the shading test fails:
PL 14.10 Item 8.
PL 14.10 Item 23.
PL 14.10 Item 26.
RAP.
PL 9.10 Item 1. Ensure it is free from all packing or seal-
06-100, 06-200 LSU Error RAP.
Perform the following:
Main PWB.
PL 6.10 Item 1.
2. Remove the terminal cover, PL 9.10 Item
PL 1.10 Item 3
1. The spring contacts supply the voltages to the print car-
1. Between CON3 on the SMPS and the CN6 on the
2. Between CN31 on the Main PWB
Between CN5 on the Connection PWB
Main PWB.
Phaser 3635MFP/WorkCentre 3550
PL
6, then
and the print car-
Con-
and CN5 on the
and