Cleaning Image Printing Section; Cleaning The Writing Unit Glass And The Electrode Wires - Konica Minolta 7020 Instruction Manual

Cleaning Image Printing Section

I Cleaning the Writing Unit Glass and the Electrode Wires
Keep the writing unit glass and the electrode (corona,
transfer and separator) wires clean; otherwise soil marks
may be copied, resulting in dark lines on the copies.
Follow the procedure below to periodically clean them.
1
Open the machine front door.
2
Withdraw and push in the writing unit
glass cleaning knob and the corona
wire cleaning knob, several times.
3
Firmly push in these knobs, then close
the machine front door.
4
Open the right side door of the main
body.
5
Release the two hooks on the top edge
of the conveyance unit cover 6, then
open its front cover.
WARNING
The area near the conveyance unit cover 6 gen-
erates high voltage. If touched, electrical shock
may occur. DO NOT TOUCH!
11-4
If the hooks cannot be re-
leased easily, open the con-
veyance unit cover 6 to per-
form the following steps. In this
case, use care not to touch the
drum inside the conveyance
unit cover 6, and quickly per-
form the cleaning procedure to
close the cover as soon as
possible; otherwise the drum
may be damaged by a long
period of exposure.