April 2010
3-16
Phaser 3635MFP/WorkCentre 3550
IQ13, IQ14
Image Quality
IQ13 Partial Blank Image (Not Periodic) RAP
Use this RAP when the printed sheets have blank areas, that do not form a regular pattern.
Ensure the IQ1 Image Quality Entry RAP is performed before starting this RAP.
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.
Perform the following:
1. (3635 only) Check the wiring between the LSU and CN24 on the Main PWB.
2. (3550 only) Check the wiring between the LSU and CN17 on the Main PWB.
3. Install a new print cartridge, PL 9.10 Item 1.
IQ14 Partial Blank Image (Periodic) RAP
Use this RAP when the printed sheets have blank areas that form a regular, or repeated,
defect.
Ensure the IQ1 Image Quality Entry RAP is performed before starting this RAP.
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.
Perform the following:
1. Measure the distance between the image and the defect. Refer to Table 1 to determine
the possible cause of the defect.
2. Install new components as necessary.
Table 1 Defect distance
Defect distance Roll Component Parts List Ref.
95mm (3.7 inches) Xerographic drum Print cartridge PL 9.10 Item 1
38mm (1.5 inches) Charge roll Print cartridge PL 9.10 Item 1
45mm (1.8 inches) Supply roll Print cartridge PL 9.10 Item 1
47mm (1.9 inches) Transfer roll Transfer roll PL 9.10 Item 2
89mm (3.5 inches) Heat roll Fuser assembly PL 10.15 Item 1
51mm (2 inches) Pressure roll 1 Fuser assembly PL 10.15 Item 2
64mm (2.5 inches) Pressure roll 2 Fuser assembly PL 10.15 Item 3