Oki MB780 User Manual page 263

T
HE TONER MAY BE LOW
When 88 Cartridge low appears or when the print becomes faded, replace the print cartridge.
T
HE SCANNER GLASS MAY BE DIRTY
Clean the scanner glass with a clean, lint-free cloth dampened with water. For more information, see "Cleaning
the scanner glass" on page 249.
T
HE COPY IS TOO LIGHT OR TOO DARK
Adjust the density of the copy.
C
HECK THE QUALITY OF THE ORIGINAL DOCUMENT
Make sure the quality of the original document is satisfactory.
C
HECK THE DOCUMENT PLACEMENT
Make sure the document or photo is loaded facedown on the scanner glass in the upper left corner.
U
NWANTED TONER IS IN THE BACKGROUND
•
Increase the background removal setting.
•
Adjust the darkness to a lighter setting.
P ( )
ATTERNS MOIRÉ APPEAR IN THE OUTPUT
•
On the Copy screen, select the Text/Photo or Printed Image icon.
•
Rotate the original document on the scanner glass.
•
On the Copy screen, adjust the scale setting.
T
EXT IS LIGHT OR DISAPPEARING
•
On the Copy screen, touch the Text icon.
•
Decrease the background removal setting.
•
Increase the contrast setting.
•
Decrease the shadow detail setting.
T
HE OUTPUT APPEARS WASHED OUT OR OVEREXPOSED
•
On the Copy screen, select the Printed Image icon.
•
Decrease the background removal setting.
Troubleshooting
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