Oki C7100, C7300 manual Faint printing

Faint printing

Possible cause	Remedy
The toner cartridge	Reinstall the toner cartridge.
is incorrectly
installed.
Toner is low.	Change toner cartridge.
The paper is	Store paper within specified temperature and
moist.	humidity levels.
Paper is	Use recommended paper.
unsuitable for
printer.
Fading in patches
Possible cause	Remedy
The paper is moist.	Store paper within specified temperature and
	humidity levels.
Longitudinal black stripes
Possible cause	Remedy
Image drum is	Replace image drum.
damaged.
Toner is low.	Change toner cartridge.
Periodic black lateral	• If the lines or spots occur at intervals of
lines or spots.	approximately 44 - 94 mm, the image drum
	(green tube) is damaged or dirty. If damaged,
	replace the image drum cartridge. If dirty, wipe
	the image drum gently with soft tissue. If this
	does not work, replace the image drum.
	• If the lines or spots occur at intervals of
	approximately 113 mm, the fuser roller is
	damaged. Change the fuser unit.
The image drum has	Remove the image drum from the printer and
been exposed to	store it in a dark place for several hours. If this
light.	does not work, replace the image drum.

C7100/C7300/C7500 Troubleshooting • 387