Kyocera C8100DN Operation Guide - Page 47

Print Quality Problems, Corrective Action

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Troubleshooting Print Quality Problems The tables and diagrams in the following sections define print quality problems and the corrective action you can take to solve the problems. Some solutions may require cleaning or replacing parts of the printer. If the suggested corrective action will not solve the problem, call for service. Printed Results Skewed-color printout Corrective Action Perform color registration. Perform color registration using the printer operation panel. Completely blank printout Check the feed unit. Pull out paper cassette 1 and check if the feed unit is correctly installed. Dropouts, horizontal streaks, stray dots Refresh drum. Refer to the following procedures on the operation panel and try cleaning the drum surface using the printer's built-in cleaning system. 1 Press [Menu], and then press S or T to display Others >. 2 Press X, and then press S or T to display >Service >. 3 Press X, and then press S or T to display >>Drum. And then press [OK] twice. 4 The message display shows Please wait, and then the drum starts turning and stops after approx. 100 seconds. The printer reverts to Ready. Clean the separator. Open the printer left cover 1 and clean the separator with a cleaning brush. Refer to Cleaning the Printer on page 3-13. White vertical streaks Clean the laser scanner unit. Perform the following procedures on the operation panel and try cleaning the laser scanner unit using the printer's built-in cleaning system. 1 Press [Menu], and then press S or T to display Others >. 2 Press X, and then press S or T to display >Service >. 3 Press X, and then press S or T to display >>LSU. And then press [OK] twice. 4 The message display shows Please wait, and cleaning will be conducted for about 10 seconds. The printer reverts to Ready when cleaning is finished. 4-3

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Troubleshooting
4-3
Print Quality Problems
The tables and diagrams in the following sections define print quality problems and the corrective
action you can take to solve the problems. Some solutions may require cleaning or replacing parts
of the printer.
If the suggested corrective action will not solve the problem, call for service.
Printed Results
Corrective Action
Skewed-color printout
Perform color registration.
Perform color registration using the printer operation panel.
Completely blank printout
Check the feed unit.
Pull out paper cassette 1 and check if the feed unit is correctly installed.
Dropouts, horizontal streaks, stray dots
Refresh drum.
Refer to the following procedures on the operation panel and try cleaning
the drum surface using the printer’s built-in cleaning system.
1
Press
[Menu]
, and then press
or
to display
Others >
.
2
Press
, and then press
or
to display
>Service >
.
3
Press
, and then press
or
to display
>>Drum
. And then press
[OK]
twice.
4
The message display shows
Please wait
, and then the drum starts
turning and stops after approx. 100 seconds. The printer reverts to
Ready
.
Clean the separator.
Open the printer left cover 1 and clean the separator with a cleaning brush.
Refer to
Cleaning the Printer
on page
3-13
.
White vertical streaks
Clean the laser scanner unit.
Perform the following procedures on the operation panel and try cleaning
the laser scanner unit using the printer’s built-in cleaning system.
1
Press
[Menu]
, and then press
or
to display
Others >
.
2
Press
, and then press
or
to display
>Service >
.
3
Press
, and then press
or
to display
>>LSU
. And then press
[OK]
twice.
4
The message display shows
Please wait
, and cleaning will be
conducted for about 10 seconds. The printer reverts to
Ready
when
cleaning is finished.