Maintenance and Troubleshooting
16
bizhub 131f/190f 16-5
16.1.4 Cleaning the drum charge wire and LED print head
When the following message appears on
the LCD or if there are any poor print qual-
ity on your print, the charge wire of the
drum cartridge requires cleaning.
2
Note
Your machine can print about 100 sheets after this message appears, but
afterwards the machine displays "Printer not usable" message and it can-
not print any page until the charge wire is cleaned.
1 Open the front cover.
2 Gently pull the blue cleaning rod toward you and then back into the ma-
chine several times. This operation also cleans the LED print head.
3 Close the front cover.
Open Front Cover
Follow Instruction A
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