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CHAPTER 6 TROUBLESHOOTING
6-31
I-9 White vertical streaks
Possible cause Step Check Result Remedy
Transfer failure 1 Is the transfer roller scratched? Yes Replace the drum unit.
Condensation 2 Has condensation occurred
inside the printer?
Yes Try to print several pages or
leave the printer 2 hours to allow
it to reach room temperature.
I-10 White horizontal stripes
Possible cause Step Check Result Remedy
Ground
contacts
Developing bias
contact failure
1 Are the developing bias
contacts between the printer
body and toner cartridge dirty?
Yes Clean the electrodes
at both sides.
➃
User Check
(1) Try to wipe the scanner window with a soft cloth.
(2) The toner cartridge may be damaged. Install a new toner cartridge.
(3) Check the printer’s environment. High temperature and high humidity conditions
can cause this problem.
(4) Damp (wet) paper might be used. Try to change to freshly unpacked paper.
User Check
(1) Check the paper used meets the recommended paper specifications. A rough
surfaced paper, damp paper or thick media can cause the problem.
(2) Check that the appropriate media type is selected in the printer driver.
(3) The problem may disappear by itself. Try printing multiple pages to clear this
problem especially if the printer has not been used for a long time.
(4) The drum unit may be damaged. Install a new drum unit.