Xerox 1235DT - Phaser Color Solid Ink Printer, Service Manual

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42
Phaser 1
235 Network Color Printer
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.
Clean with an a dry, lint-free cloth if debris is visible or replace the manual
bypass feed pick roller.
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.
8. Replace the engine controller board.
Paper jams at the registration rollers
1.
Ensure that the pick-up rollers are clean. Clean them with an a 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 an a dry, lint-free cloth 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-brand 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.