Iq16 Horizontal Bands Rap - Xerox WorkCentre 4150 Service Manual

IQ16 Horizontal Bands RAP

Use this RAP when the image has bands appearing across the process direction. An example
is shown in Figure 1.
Figure 1 Horizontal bands
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.
Perform the following:
1. Check the spring contacts in the terminal assembly,
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,
2. Make 10 blank copies to clean the xerographic drum. If necessary, install a new xero-
graphic module, PL 9.10 Item 1.
3. Measure the distance between the image and the defect. Refer to
2 (4250/4260) to determine the possible cause of the defect.
Table 1 Defect distance (4150)
Defect distance Roller
94mm (3.7 inches) Xerographic drum
38mm (1.5 inches) Charge roller
44mm (1.7 inches) Supply roller
57mm (2.2 inches) Transfer roller
126mm (4.9 inches) Heat roller
155mm (6.1 inches) Pressure roller
WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
WARNING
PL 4.15 Item 13. The spring contacts
PL 4.15 Item
Table 1 (4150) or
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
Table 2 Defect distance (4250/4260)
Defect distance Roller
94mm (3.7 inches) Xerographic drum
38mm (1.5 inches) Charge roller
44mm (1.7 inches) Supply roller
57mm (2.2 inches) Transfer roller
126mm (4.9 inches) Heat roller
155mm (6.1 inches) Pressure roller
4. Install new components as necessary.
5. (4150) Check the condition of the fuser assembly. Install new components as necessary,
PL 10.25 and PL 10.26.
6. (4250/4260) Check the condition of the fuser assembly. Install new components as nec-
essary, PL 10.28 and PL
7. (4265) Check the condition of the fuser assembly. Install new components as necessary,
PL 10.28 and PL 10.30.
8. Perform the OF5 Main PWB Check RAP.
13.
Table
January 2016
3-19
Component
Xerographic module
Xerographic module
Xerographic module
Transfer roller
Fuser assembly
Fuser assembly
10.30.
Parts List Ref.
PL 9.10 Item 1
PL 9.10 Item 1
PL 9.10 Item 1
PL 7.35 Item 19
PL 10.30 Item 10
PL 10.30 Item 31
Image Quality
IQ16