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5-12 Troubleshooting and Maintenance
Print Quality Problems
Irregular faded patches of
print
• There is a paper quality problem. Use only paper that
meets the specifications required by the printer.
• Toner may be unevenly distributed. Remove the print
cartridge and shake it gently to evenly distribute the toner.
Then replace the print cartridge.
Black staining • There is a paper quality problem. Use only paper that
meets printer specifications.
• A print cartridge from another printer has been installed.
Always use the same print cartridge with the same printer.
Using a cartridge that has already been used in another
printer may not give satisfactory results.
• If you are getting streaks or spots on your prints, the OPC
drum on your printer may need to be cleaned.
Please, the method of OPC cleaning refer to page 1-6.
Character voids • The paper may be too dry. Try printing with a different
batch of paper.
Background scatter • The paper may be too damp. Try printing with a different
batch of paper. Do not open packages of paper until
necessary so that the paper does not absorb too much
moisture from the air.
• Printing over uneven surfaces. If printing onto envelopes,
change your printing layout to avoid printing over areas
that have overlapping seams on the reverse side.
Problem Possible Cause and Remedy