Oki C7300 C7100/C7300/C7500 User's Guide: Macintosh - Page 179

Faint shading on unprinted s, Blurred letter edges, Clean LED with lens cleaner or soft tissue.

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Possible cause The image drum has been exposed to light. Remedy Remove the image drum from the printer and store it in a dark place for several hours. If this does not work, replace the image drum. Faint shading on unprinted sections Possible cause Paper has been affected by static electricity. Paper is too thick. Toner is low. Remedy Store paper within specified temperature and humidity levels. Use recommended paper. Change toner cartridge. Blurred letter edges Possible cause LED is dirty. Cannot print desired color because toner is low. Black formation method does not match application. Remedy Clean LED with lens cleaner or soft tissue. Replace toner cartridge. Open the printer driver and set black formation to CMYK. C7100/C7300/C7500 Troubleshooting • 179

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C7100/C7300/C7500 Troubleshooting • 179
Faint shading on unprinted sections
Blurred letter edges
The image drum has
been exposed to
light.
Remove the image drum from the printer and
store it in a dark place for several hours. If this
does not work, replace the image drum.
Possible cause
Remedy
Paper has been
affected by static
electricity.
Store paper within specified temperature and
humidity levels.
Paper is too thick.
Use recommended paper.
Toner is low.
Change toner cartridge.
Possible cause
Remedy
LED is dirty.
Clean LED with lens cleaner or soft tissue.
Cannot print desired
color because toner
is low.
Replace toner cartridge.
Black formation
method does not
match application.
Open the printer driver and set black formation to
CMYK.
Possible cause
Remedy