Service manual

7020
steps:
1. Press the [APPLICATION] button.
2. Select [SPECIAL ORIGINAL].
3. Select [Mixed Original] and press [OK].
4. In the upper right corner of the display panel press [JOB MEMORY].
5. Press [entry].
6. Press [OK].
7. Select #15 and press [OK].
8. Input the name of the job (i.e. mixed original).
9. Press [OK] twice and return to the main copy screen.
10. Enter the key operator mode (Power the copier OFF/ON while holding the HELP key)
11. Press the down arrow and select 12 [Memory SW].
12. Scroll down until Job Memory Recall is highlighted, press [EDIT] (to change the setting to ON),
then press [RETURN].
13. Power the unit OFF, then ON to exit the key operator mode.
14. Job memory #15 will now be recalled automatically when the power is turned ON, or when an
auto reset occurs.
Note: When Mixed Original mode is defaulted ON in job memory #15, the machine will remain in
Mixed Original mode for platen copying (with the ADF open). Mixed Original mode must be
deselected when copying from the platen glass.
F26-3 and developer spilling out of the developer unit.DESCRIPTION: SOLUTION ID:
165535
SOLUTION:
CAUSE: The TDS (toner density sensor) wiring has been pinched and is shorted to frame ground.
SOLUTION: Replace the TDS sensor (p/n 26NA88040).
USAGE:
0
F86-6 code at power up. No additional ERDH memory is installed. When changing the Fax
File Size memory allocation, the machine will lock up.
DESCRIPTION: SOLUTION ID:
165791
SOLUTION:
CAUSE: Corrupt ERDH memory.
SOLUTION: Replace the main CB (p/n 26NA-9303).
USAGE:
0
RADF UNAVAILABLE FOR ORIGINAL SIZE message when mixed originals of legal and letter
sizes are used.
DESCRIPTION: SOLUTION ID:
166662
SOLUTION:
CAUSE: Corrupt information in memory.
SOLUTION: Reset machine back to factory defaults. To reset the machine to factory defaults
perform the following:
1. Enter the 47 mode (power the machine ON, while pressing the 4 and 7 keys).
2. Enter 9 and 3.
3. Press the Start key.
Note: When resetting the machine back to factory defaults, L-detect will need to be performed.
USAGE:
0
F26-03 displayed at power up and unable to perform L-detect.DESCRIPTION: SOLUTION ID:
166875
SOLUTION:
CAUSE: Worn developer.
SOLUTION: Replace the developer (PCUA 950237).
USAGE:
0
Is the DB211 compatible with 7020?DESCRIPTION: SOLUTION ID:
167098
SOLUTION:
The DB211 is not compatible with the 7020.
USAGE:
0
J81-00 displayed at power up.DESCRIPTION: SOLUTION ID:
167235
SOLUTION:
CAUSE: Broken PS1 (Registration PS).
SOLUTION: Inspect PS1 (p/n 26NA45160) and replace as necessary.
USAGE:
0
Popping noise from Tray 1 and bypass.DESCRIPTION: SOLUTION ID:
168085
SOLUTION:
CAUSE: Dirty paper feed shaft holder(s).
SOLUTION: Clean paper feed shaft holder(s) (p/n 466076020)
Note: Refer to 7020/7025/7030 Parts Catalog, 1st Edition, page 14, item 1.
SPECIAL NOTE: Solution provided by Dennis Volkart, Consolidated Copier Services.
USAGE:
0
131
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005