Iq17 Periodic Printing Defects Check Rap - Xerox WorkCentre 4150 Service Manual

IQ17 Periodic Printing Defects Check RAP

Use this RAP when the printed image shows regular patterns in black or white, across the pro-
cess direction.
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. Make 10 blank copies to clean the xerographic drum. If necessary, install a new xero-
graphic module, PL 9.10 Item 1.
2. Measure the distance between the repeated black or white abnormality. Refer to
(4150) or Table 2 (4250/4260) to identify the possible cause.
Table 1 Defect distance (4150)
Defect Kind of abnormal
distance image Roller
94mm White spot. Black spot Xerographic
(3.7 inches) drum
38mm White spot. Black spot Charge roller
(1.5 inches)
44mm Horizontal dark band Supply roller
(1.7 inches)
57mm Black spot, White spot Transfer roller
(2.2 inches)
126mm Black spot, White spot Heat roller
(4.9 inches)
155mm Back side contamina- Pressure roller
(6.1 inches) tion
Table 2 Defect distance (4250/4260)
Defect Kind of abnormal
distance image Roller
94mm White spot. Black spot Xerographic
(3.7 inches) drum
38mm White spot. Black spot Charge roller
(1.5 inches)
44mm Horizontal dark band Supply roller
(1.7 inches)
57mm Black spot, White spot Transfer roller
(2.2 inches)
126mm Black spot, White spot Heat roller
(4.9 inches)
155mm Back side contamina- Pressure roller
(6.1 inches) tion
Image Quality
IQ17
WARNING
Component Parts List Ref.
Xerographic module PL 9.10 Item 1
Xerographic module PL 9.10 Item 1
Xerographic module PL 9.10 Item 1
Transfer roller PL 7.35 Item 19
Fuser assembly PL 10.26 Item
13
Fuser assembly PL 10.26 Item
23
Component Parts List Ref.
Xerographic module PL 9.10 Item 1
Xerographic module PL 9.10 Item 1
Xerographic module PL 9.10 Item 1
Transfer roller PL 7.35 Item 19
Fuser assembly PL 10.30 Item
10
Fuser assembly PL 10.30 Item
31
3. Install new components as necessary.
4. If the defect appears to be fuser related, ensure that the paper tray settings match the
paper or media size in the trays. Also, ensure the media is within specification. Refer to
GP 9 Paper and Media Specifications.
Table 1
January 2016
3-20 WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/