Iq 4 Light Image Rap - Xerox FaxCentre 2121 Service Manual

IQ 4 Light Image RAP

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.
Description
• The printed image is light, with no ghost.
Checks and Causes
1. Determine the source of the problem. Make
a copy. Print an internal test pattern.
Note: To print an internal test pattern, set
SOS 1 Bit 8 to 1, then press the # key, refer to
GP 4.
2. Are the machine settings correct?
3. Is the paper damp?
4. Is there toner left in toner cartridge?
5. Is drum at end of life?
6. Is developing bias faulty?
7. Is image transfer faulty?
FaxCentre 2121/2121L
WARNING
Table 4: Light Image
1. Correct the settings.
2. Load fresh paper.
3. Install a new Toner Cartridge (PL 13).
4. Install a new Drum Cartridge (PL 13).
5. Install a new HVPS (PL 11).
6. Install a new Main PBA (PL 5).
7. Install a new Transfer Unit (PL 12).
8. Install a new HVPS (PL 11).
9. Install a new Main PBA (PL 5).
11/06
Image Quality
Solutions
3-7