Troubleshooting
106
8
A color is missing or partially 
blurred.
• Paper is damp. Use paper that has been stored properly.
See p.37 “Paper and Other Media”.
• Toner is nearing empty. If the following message appears 
on the control panel, replace the print cartridge:
“
Replace (Color) Print Cartridge”
See p.71 “Replacing the Print Cartridge”.
• Condensation may have collected. If rapid change in tem-
perature or humidity occurs, use this printer only after it 
has acclimatized.
Color shift occurs.
 Press the {Menu} key on the control panel, select [Mainte-
nance], and then press the {#Enter} key.
 Press the {T} or {U} key, select [Color Dens/Reg], and then 
press the {#Enter} key.
 Press the {#Enter} key.
The whole printout is blurred. • Paper is damp. Use paper that has been stored properly.
See p.37 “Paper and Other Media”.
• Perform the following operation.
 Press the {Menu} key on the control panel, select [Sys-
tem], and then press the {#Enter} key.
 Press the {T} or {U} key and select [Anti-Humidity], and 
then press the {#Enter} key.
 Press the {T} or {U} key and select [Mode 2] or [Mode 
3], and then press the {#Enter} key.
• If you select [Toner Saving] on the [Print Quality] tab in the 
printer properties dialog box, printing is generally less 
dense.
See the printer driver Help.
•If the Alert indicator on the control panel lights up and 
the following message appears on the display, replace the 
print cartridge:
“
Replace (Color) Print Cartridge”
See p.71 “Replacing the Print Cartridge”.
• Condensation may have collected. If rapid change in tem-
perature or humidity occurs, use this printer only after it 
has acclimatized.
White streaks or color streaks 
appear.
• Toner is almost depleted. If an error message appears on 
the control panel, replace the print cartridge of the color 
indicated.
See p.71 “Replacing the Print Cartridge”.
The backs of printed sheets are 
blemished.
• When removing a jammed sheet, the inside of the printer 
may have become dirtied. Print several sheets until they 
come out clean.
• If document size is larger than paper size, e.g. A4 docu-
ment on B5 paper, the back of the next printed sheet may 
be dirtied.
Status Possible Causes, Descriptions, and Solutions