Iq10 Ghost Images Rap - Xerox WorkCentre 4150 Service Manual

IQ10 Ghost Images RAP

Use this RAP when the printed sheets have ghost images, as shown in Figure 1.
Figure 1 Ghost images
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 ghosted image. Refer to Table 1 to
determine the possible cause of the defect.
Table 1 Defect distance
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
• If the distance between the image and the defect matches the heat roller or pressure
roller, perform the following:
– Ensure that the paper tray settings match the paper or media size in the trays.
Ensure the media is within specification. Refer to GP 9 Paper and Media Spec-
ifications.
WorkCentre 4150
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
September 2006
– Enter dC330 code 10-200 and 10-210. Ensure that the fuser is operating within
the correct temperature range. Refer to GP 7 Machine Specifications.
2. Check for contamination of the toner module. If necessary install a new toner module, PL
9.10 Item 2.
3. Clean the xerographic drum, make 10 blank copies. If necessary, install a new xero-
graphic module, PL 9.10 Item 1.
3-13
Image Quality
IQ10