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Are you using appropriate paper?
● Check usable paper, and r
eplace with appropriate paper.
Available Paper(P. 701)
Loading Paper(P. 139)
Is the platen glass dirty?
● Clean the platen glass and the underside of the feeder.
Cleaning the Platen Glass(P. 579)
Have you cleaned the xing unit?
● Clean the xing unit.
Cleaning the Fixing Assembly(P. 583)
Is the amount remaining in toner cartridge running low?
● Check
how much the amount remaining in toner cartridges is left, and replace the toner cartridges as
necessary.
Replacing the Toner Cartridge(P. 585)
Is it time to replace the toner cartridge?
● Materials inside the toner cartridge may have deterior
ated. Replace the toner cartridge.
Replacing the Toner Cartridge(P. 585)
Is the print faded or une
ven in density depending on the paper type or the
environmental conditions? (MF735Cdw / MF733Cdw / MF731Cdw)
● Change the setting for <Reduce Toner Flaking>. The improvement effect is stronger with <Mode 2> than
<Mode 1>. First try with <Mode 1>.
<Reduce Toner Flaking>(P. 480)
● Setting a gr
eater improvement effect may result in curled printouts or slower printing speed.
Are you using the machine in an environment with high humidity?
● Change the setting for <High Humidity Mode>. Setting this item to <On> may solve the pr
oblem.
<High Humidity Mode>(P. 475)
● If
you set to <On> and use the machine in an environment with low humidity, printed images and text may
be blurry.
Troubleshooting
634
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