Ricoh J011 - Image Quality; Printer Does Not Detect Improper Setting of Duplex Unit; Image Appears Dirty, Smeared

Replacement Procedure:
1. Replace duplex unit.
2. Replace duplex cover switch.
Printer does not detect improper setting of duplex unit
Description: The duplex unit is installed improperly but the printer does not detect this condition.
Probable Cause: The signal from the duplex unit sensor did not change.
Location: Duplex unit, or control board
Service Center Procedure:
None
Replacement Procedure:
1. Replace duplex unit.
2. Replace control board.
Image Quality
Image appears dirty, smeared
Description: The printed image is smeared, scratchy, spotted.
Probable Cause: Paper dust, paper dirty
Location: Gap between print head and paper during printing (print head unit, or transport belt unit)
Service Center Procedure:
1. Do a test print with another file.
2. Check paper thickness.
3. Raise top cover and check condition of transfer belt surface.
4. Set lower ink density if doing a simplex print.
5. If printing on thick paper or image with large coverage, set envelope selector for envelopes.
Replacement Procedure:
1. Clean transport belt.
2. Clean inverter roller.
3. Replace the printer.
3. Troubleshooting
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