Service manual
7020
DF314, the correct paper size is not recognized after performing the paper size adjustment.DESCRIPTION: SOLUTION ID:
135419
SOLUTION:
CAUSE: A failed VR301 (Size detecting board assembly).
SOLUTION: Replace VR301 (p/n13FG-9330).
USAGE:
3
Part number for the fixing input shaft.DESCRIPTION: SOLUTION ID:
137590
SOLUTION:
The part number for the fixing input shaft is p/n 26NA15140.
Note: This part number is not listed in the Parts Catalog.
USAGE:
3
APS from the platen glass does not function.DESCRIPTION: SOLUTION ID:
137700
SOLUTION:
CAUSE: ICP1 on the scanner drive board is open.
SOLUTION: Before replacing the scanner drive board (p/n 26TA-9050), check all of the 5V DC
loads off of the board for a short.
USAGE:
3
Grey background on copies, prints and internal test charts.DESCRIPTION: SOLUTION ID:
138452
SOLUTION:
CAUSE: Incorrect toner is installed. Model 7035/7022/7130 toner can be incorrectly installed in
the model 7020. The 7020/7025/7030 toner bottle can be identified by the two grooves in the
bottle; there is one large groove on the top (at twelve O'clock) and a smaller groove on the left side
(at seven O'clock).
SOLUTION: Purge supplies from the toner supply unit, drum carriage and developer unit. Install
correct toner (PCUA 950236) and developer (PCUA 950237), and then perform the L-detection
adjustment.
SPECIAL NOTE: Solution provided by Erich Krausse, KBT Ft. Lauderdale
USAGE:
3
DB409, grinding noise and various jam codes (such as J16) when feeding.DESCRIPTION: SOLUTION ID:
149001
SOLUTION:
CAUSE: Failure (or excessive wear) within the paper feed assembly is causing the drive gears to
separate.
SOLUTION: The wear within the paper feed unit (p/n 13HA-4000) causes the upper limit actuator
to read incorrectly. This places excessive pressure on the drive system. Replace the paper feed
unit as necessary.
USAGE:
3
How to enable the Tx report for one transmission.DESCRIPTION: SOLUTION ID:
153873
SOLUTION:
To enable the Tx report for one transmission, perform the following:
1. Press the HELP key, select Key-Ope mode.
2. Select Fax
3. Select Report output set.
4. Select Tx result report.
5. Press the EDIT button and turn ON.
6. Press BACK 3 time to return to the normal screen.
USAGE:
3
Unable to close the ADU door (p/n 26NA50011) after installing the new style high voltage
casing assembly (p/n 26NA-5024).
DESCRIPTION: SOLUTION ID:
154698
SOLUTION:
CAUSE: Due to design changes implemented on the new style high voltage casing assembly, the
original contact support plate and related parts are not compatible and must be replaced with new
style parts.
SOLUTION: Order and install the following parts:
Contact Support Plate (p/n 26NA73151)
Connecting Plate/A (p/n 26NA73131)
Connecting Plate/C (p/n 26NA73471)
High Voltage Cover Plate/A (p/n 26NA73500)
USAGE:
3
F51-5 appears at power up.DESCRIPTION: SOLUTION ID:
159316
SOLUTION:
CAUSE: The developer unit agitating auger is binding.
SOLUTION: Replace all 6 bushings (p/n 26NA30770) in the developer unit.
USAGE:
3
J30 occurs during copy mode.DESCRIPTION: SOLUTION ID:
160716
61
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005