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5
Black Lines/Stained Prints
Check the platen cover and clean it if dirty. See p.197 “Cleaning the platen cov-
er”.
Check the exposure glass and clean it if dirty. See p.197 “Cleaning the exposure
glass”.
Check the sheet of the optional document feeder and clean it if dirty. See p.198
“Cleaning the Sheet”.
Note
❒ If black lines or stains still appear on prints even following the cleaning pro-
cedures above, please contact your service representative.
Faint Prints
If the machine is not used for a long period of time or you change the color drum
unit, the ink on the drum might dry causing print quality to deteriorate. To solve
this problem, use Quality Start mode. See p.76 “Quality Start Mode”.
If the print density is still too light even if you use Quality Start mode, remake
the master.