11-4
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Cleaning the Writing Unit Glass and the Electrode Wires
1
2
Firmly push in these knobs, then close
the machine front door.
Open the right side door of the main
body.
Release the two hooks on the top edge
of the conveyance unit cover 6, then
open its front cover.
3
WARNING
The area near the conveyance unit cover 6 gen-
erates high voltage. If touched, electrical shock
may occur. DO NOT TOUCH!
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.
Open the machine front door.
Withdraw and push in the writing unit
glass cleaning knob and the corona
wire cleaning knob, several times.
4
5
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.
Cleaning Image Printing Section
Summary of Contents for 7020
Page 1: ...Basic Advanced 7020 7025 7030 7035 INSTRUCTION MANUAL 7020 7025 7030 7035 ...
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