Service manual

7020
Notes:
a. GROUP mode copies each original page in amounts determined by the print quantity setting
then outputs grouped sets normally.
b. ROTATION GROUP mode rotates every other grouped sets by 90ø upon exit, provided
8.5x11 is installed in one paper and 8.5x11R is loaded in another paper tray.
c. ROTATION SORT mode rotates every other sorted set by 90ø upon exit, provided 8.5x11 is
installed in one paper and 8.5x11R is loaded in another paper tray.
F28-4 after installing a drum.DESCRIPTION: SOLUTION ID:
82433
SOLUTION:
CAUSE: The toner control sensor board is covered with setting powder.
SOLUTION: Clean the toner control sensor board (p/n 26NA-9180) with a blower brush. Do not
use an excessive amount of setting powder.
USAGE:
12
Code 006 when attempting L-Detect.DESCRIPTION: SOLUTION ID:
105621
SOLUTION:
CAUSE: Dirty or defective TCSB (toner control sensor board).
SOLUTION: Clean or replace TCSB (p/n 26NA-9180).
USAGE:
12
F89-01 at power up.DESCRIPTION: SOLUTION ID:
105628
SOLUTION:
CAUSE: Loose connector on the main CB.
Note: The 7020 Service Manual gives the following cause for this error: 'Copy sequence error.
Error in job object pointer. (Could not get page control object for some reason).'
SOLUTION: Disconnect/reconnect all connectors on the main CB.
USAGE:
12
F51-5 at power up.DESCRIPTION: SOLUTION ID:
109210
SOLUTION:
CAUSE: The fuser cleaning web has run out or has fed out of the machine exit.
SOLUTION: Replace the fuser cleaning web and ensure that there is sufficient tension on the web
supply roller by reforming the front regulating plate (p/n 26NA5410) and the rear regulating plate
(26NA5420).
USAGE:
12
DESCRIPTION: SOLUTION ID:
122371
SOLUTION:
CAUSE: The developer unit is binding.
SOLUTION: Replace the developer and perform L-detect. Inspect the developer unit bearing for
any binding. If the problem still persists, replace the developer unit (p/n 26NA-3002).
USAGE:
12
FS107, J72-19 with the paper jamming behind the foam exit roller.DESCRIPTION: SOLUTION ID:
154717
SOLUTION:
CAUSE: A failed paper exit connecting clutch.
SOLUTION: Replace the paper exit connecting clutch (p/n 13GQ77181).
USAGE:
12
FK101, not recognized upon installation.DESCRIPTION: SOLUTION ID:
84070
SOLUTION:
CAUSE: Fax memory has not been initialized
SOLUTION: To initialize the fax memory, perform the following:
1. From the normal copy mode, press the HELP (?) button.
2. From the LCD touchscreen, select KEY-OPE MODE.
3. Select 2. [FAX].
4. From the Fax Initial setting menu, select SPECIAL SET.
5. Enter the Key Operator password, 9-2-7-2, and press OK.
6. From the Service mode setting screen, select INITIALIZATION.
7. Select (highlight) all the items, from the Fax Data initialization screen, and press OK.
8. Press YES to initialize all the data.
9. Press BACK once to return to the Service Mode setting screen.
10. Select FAX FILE FORMAT.
11. Select the Fax file size using the up and down arrows and press FORMAT.
12. Press YES to format fax file, the operation panel will power OFF automatically.
13. Re-power ON machine by pressing the sub power switch and test fax operations.
Notes:
1. Fax file format size is limited to 2 or 4 MB when the 7020 is equipped with it's original 32 MB.
2. Fax file format size can be increased in increments of 2 MB up to 16 MB additional memory is
USAGE:
11
22
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005