Image Quality
3-8 11/06 FaxCentre 2121/2121L
IQ 5 Background RAP
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.
Description
• Light or Dark background on the print.
Table 5: Background
Checks and Causes Solutions
1. Determine the source of the problem.
Cover the ROS window. Make a copy.
1. If the fault is no longer present, clean the
ROS window or install a new ROS, PL 11.
2. Is drum scratched? 2. Install a new Drum Cartridge (PL 13).
3. Is developing bias making good contact? 3. Clean contact terminal or check terminal
position.
4. Is the problem eliminated after checks have
been made up to step 3?
4. Install a new HVPS (PL 11).
5. Install a new Main PBA (PL 5).
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