Xerox 2135N - Phaser Color Laser Printer, Quick Reference Manual

Page: 54 / 199

Service Guide 41
Manual bypass feeder feed jams
1. Is the paper in good condition and appropriate for a laser printer?
2. Is the printer printing within its environmental specifications? Print the
Diagnostic Summary Page to determine the printer’s environmental
conditions.
3. Do not overload the manual bypass tray; otherwise jams will occur.
4. If debris is visible, clean the manual bypass feed pick roller. Replace the
roller, if necessary.
5. Test the manual bypass feeder sensors using the service test “Switch scan
test” on page 63.
6.
Inspect the wiring harness from the manual bypass feeder to the engine
controller board.
7. Replace the manual bypass feeder assembly.
8. Replace the engine controller board.
Paper jams at the registration rollers
1. Ensure that the pick-up rollers are clean. Clean them with a clean, dry,
lint-free cloth if debris is visible.
2. Check the paper path for burrs or foreign obstructions that could block the
movement of a sheet of paper.
3.
Clean the registration rollers with a clean, dry, lint-free wipe if debris is
visible.
4. Test, and if necessary, replace the registration motor. Test the motor using
the service test “Motor and clutch tests” on page 69.
5.
Does the registration roller electric clutch operate correctly? Operate it with
the service test “Motor and clutch tests” on page 69.
6.
Transparency film. Use only Xerox 35-series transparency film meant for
this printer.
Paper jams at the transfer belt
1.
Check for a paper scrap in the paper path.
2. Is the transfer belt assembly correctly installed?
3. Test the transfer belt motor using the service test “Motor and clutch tests”
on page 69.