Service manual

7020
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Developer on the trail edge of copies after corona currents and developer bias have already
been confirmed.
DESCRIPTION: SOLUTION ID:
156825
SOLUTION:
CAUSE: Memory parameter board has failed causing voltages to vary during machine operation.
SOLUTION: Replace the memory parameter board (p/n 26NA-9110).
USAGE:
1
FK101, not receiving, but can send.DESCRIPTION: SOLUTION ID:
157345
SOLUTION:
CAUSE: FK101 not making full contact with main body connector.
SOLUTION: Remove the grounding padding from the rear of the kit.
USAGE:
1
F28-02 displayed while copying.DESCRIPTION: SOLUTION ID:
157409
SOLUTION:
CAUSE: A failed T/S (Transfer Separation corona) unit.
SOLUTION: Replace the T/S unit (p/n 26NA-2601).
USAGE:
1
FK101, how to set the FK101 to receive all incoming fax sizes onto 8.5x11 size paper.DESCRIPTION: SOLUTION ID:
157856
SOLUTION:
The Rx paper selection setting needs to be set to 8.5x11 fixed. To set the Rx paper selection
setting, perform the following:
1. Select Copy Mode and press the Help key.
2. Select Key-Ope Mode.
3. Enter 4 digit key operator password (if necessary).
4. Select Fax.
5. Select Tx/Rx Mode Set.
6. Using the scroll down arrows, scroll down until Rx Paper Selection is highlighted.
7. Press edit until 8.5x11 fixed is displayed.
8. Power the machine OFF/ON.
Note: Reduction for Record must not be set for Automatic, for the Rx Paper selection to be edited.
USAGE:
1
FS107, Output screen displays four exit trays, but the machine has only two exit trays.DESCRIPTION: SOLUTION ID:
158027
SOLUTION:
CAUSE: The tray count sensor (PS716) has failed, resulting in the machine misinterpreting the
total tray count of the finisher at power up.
SOLUTION: To check the tray count sensor, perform the following:
1. Power the copier OFF.
2. Access the 47 mode (power the copier ON, while pressing the 4 and 7 keys), input code 70,
press *5.
3. The state of the tray count sensor will be displayed on the touchscreen as IN: ON when the tray
count sensor is flagged and should change to IN: OFF when the tray count sensor is not flagged.
4. Replace the tray count sensor (p/n 12QV85510) as necessary.
USAGE:
1
Intermittently the front and rear of the copy is deleted leaving 2 inches of copy down the
middle of the copy.
DESCRIPTION: SOLUTION ID:
158426
SOLUTION:
CAUSE: There was a loose connection at the PRCB, MCB, or write unit.
SOLUTION: Reseat all connectors at the PRCB, MCB, and write unit.
USAGE:
1
F23-01 displayed after installing a new drum carriage.DESCRIPTION: SOLUTION ID:
159569
SOLUTION:
CAUSE: Incorrect drum carriage was installed.
SOLUTION: Install the correct drum carriage (p/n 26NA-9900).
USAGE:
1
DF314, intermittently when using the DF314, the machine stops in the middle of the copy
cycle and no jam code appears.
DESCRIPTION: SOLUTION ID:
159782
105
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005