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TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING
6.1.7. Horizontal White Lines
Possible Cause (Printer)
Malfunction in the ink jet printing mechanism
Defective printer head
Action:
1. Print the nozzle test pattern (see page 6-2) and do the printer head clean-
ing procedure more than 5 times (see the Operation Manual). If the prob-
lem still remains, replace the cartridge.
2. If the problem still remains:
Replace the ink cartridge if a black cartridge is being used.
Replace the corresponding color ink refill if a color cartridge is being used.
3. Check the purge unit for excessive amounts of ink staining on the head
wiper and the head cap. Also, check for excessive amounts of paper dust
and other contaminants. Replace the purge unit if necessary.
Important: Do not touch or clean the wiper blade in the purge unit.
H505T509.wmf
6-6
November 28th, 1995
H505T511.wmf
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