Konica Minolta 7222 - Manual (Page 259)

12-5
Cleaning Image Printing Section
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, release the two hooks on the
top edge of the conveyance unit cover (labeled 6), then open its front
cover.
If the hooks cannot be released easily, open the conveyance unit cover
(labeled 6) to perform the following steps.
In this case, use care not to touch the drum inside the conveyance unit cover
(labeled 6), and quickly perform the cleaning procedure to close the cover as
soon as possible. The drum may be damaged by a long period of exposure.
12
Maintenance
Service, Repairs,
Supplies
Checking
Copy Count
Cleaning
Printning
Section
Cleaning
Scanning
Section