KYOCERA FS-5900C User Manual download pdf (Page 102)

Care and Maintenance

Trouble Possible Cause Corrective Action

Dark and wavy vertical

streaks appear in all

colours.

The main charge grid is

dirty.

Replace the imaging unit.

The entire page prints in

black, including the

borders.

Bad electrical contact for the

main charge grid.

Reinsert the imaging unit to

correct the contact for the

main charge grid.

The main charge grid is

broken.

Replace the imaging unit.

Toner spots appear on

the back of the media.

The transfer unit is worn out. Replace the transfer unit.

The page prints in black

in the image area only.

(The borders are clear.)

Either the image processor

board or engine control board

is not functioning properly.

Turn the printer off and back

on again. If the problem

persists, call for service on

your printer.

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KYOCERA FS-5900C User Manual Page 102