Service manual

7020
5. Scroll to switch 5-1 using the arrow keys on the touch pad.
6. Press the OFF button to change the data to a 0.
7. Press the PREVIOUS SCREEN button to return to the 25 mode.
8. Power the machine OFF/ON to exit the 25 mode.
FK101, unable to connect fax speaker to the main body connector.DESCRIPTION: SOLUTION ID:
100383
SOLUTION:
CAUSE: The connectors for the fax speaker and for the main body are both female connectors
and cannot be connected together. A small jumper with male connections on each end, to join the
two female connectors, is missing from the FK101 kit or has been misplaced.
SOLUTION: Order this small jumper (p/n 00Z930001) as needed.
Note: If this small jumper is missing from the FK101 installation kit, please submit a new problem
through NSSG Web Support including the FK101 serial number. These submissions will allow
proper tracking of field impact.
USAGE:
6
Copies in reduction mode are not centered on the page.DESCRIPTION: SOLUTION ID:
100836
SOLUTION:
CAUSE: This is a product limitation.
SOLUTION: The reduction process of the 7020 will always reference the image to the rear of the
machine.
Note: To inquire about possible changes to key operator functions, please contact the product
manager at [e-mail].
USAGE:
6
'TERM TEST FILE CAN NOT SEND' message appears on the PC when attempting to flash
firmware.
DESCRIPTION: SOLUTION ID:
105594
SOLUTION:
CAUSE: Parallel Interface cable connecting PC to the 7020 has failed or is an incorrect type..
SOLUTION: Replace the parallel Interface cable.
Note: Parallel Interface cable specifications:
IEEE-1284 compliant
Anphenol 36 pin/D sub 25 pin
2 meters maximum length
USAGE:
6
F35-4 and/or F34-1 intermittently.DESCRIPTION: SOLUTION ID:
113766
SOLUTION:
CAUSE: Incorrect AC wiring connections on the 4-pin fasten terminal block located in the rear of
the fuser unit.
SOLUTION: Reconnect the [[AC wiring to the 4-pin fasten terminal block| IMAGE
V:\bitmaps\fuser_connector.bmp SCROLL]] as follows:
While viewing the 4-pin fasten terminal block from the rear of the fuser:
RED wire from top lamp (L2), in the heat roller, is connected to the right front terminal.
BLACK wire from the bottom lamp (L3), in the heat roller, is connected to the left front terminal.
WHITE wire from the top rear position (closest to the web) of the main fuser connector CN13 is
connected to the left rear terminal.
WHITE wire from the top front position of the main fuser connector CN13 is connected to the right
rear terminal.
USAGE:
6
Intermittent lines or scrambled/blank copies when scanning to memory.DESCRIPTION: SOLUTION ID:
122313
SOLUTION:
CAUSE: Failed System CB.
SOLUTION: Replace the System CB (p/n 26NA-9303).
Note: Internal test pattern work fine.
USAGE:
6
J72-16 while duplexing.DESCRIPTION: SOLUTION ID:
87100
SOLUTION:
CAUSE: Improper position of the operation arm of the ADU change solenoid (SD5).
SOLUTION: To verify correct positioning of the arm, perform the following:
1. Turn OFF both power switches.
2. Remove the fixing unit.
3. Observe the position of the ADU change solenoid arm (p/n 26NA-4870).
4. The arm (white plastic) should not be positioned behind the arm (black plastic) of the paper exit
guide (p/n 26NA48250).
5. If necessary, reposition the arms so that the white arm is in front of the black arm.
Note: Care should be taken when removing/installing the fixing unit as the arm is easily dislodged.
USAGE:
5
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Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005