Service manual

7020
2. Fax file format size can be increased in increments of 2 MB up to 16 MB additional memory is
added to the 7020 control board.
How to program a pause from the print driver when PC/LAN faxing.DESCRIPTION: SOLUTION ID:
116197
SOLUTION:
To program a pause from the print driver when PC/LAN faxing enter the letter P in upper case.
USAGE:
2
Cannot run L-detect adjustment.DESCRIPTION: SOLUTION ID:
116707
SOLUTION:
CAUSE: A loss of 24V DC to the driver board due to an open F401 on the DC power supply.
SOLUTION: Verify 24V DC at CN2-1 on the DC power supply. If the voltage is not present, unplug
the machine and remove F401 from the DC power supply and check the fuse. If open, replace
F401 with a fuse of the same rating. F401 is located in the lower left corner of the DC power
supply. There is no part number available for the fuse so, it must be obtained locally. The fuse is
rated at 5A/125 volt.
USAGE:
2
Noise from the paper feed unit.DESCRIPTION: SOLUTION ID:
117584
SOLUTION:
CAUSE: Excessive paper feed loop.
SOLUTION: Reduce the paper feed loop. To adjust the paper feed loop, perform the following:
1. Access the 36 mode (power the copier ON while pressing the 3 and 6 keys).
2. Press [2. Timing adj.].
3. Press [3. Paper loop adj.].
4. Press [NEXT] to select the Tray to be adjusted.
5. The current loop data will be displayed in the upper left corner. Enter the new data and press
[SET].
6. Power the copier OFF/ON to exit the 36 mode.
USAGE:
2
Unable to flash Image firmware, WRITE ERROR displayed on the LCD.DESCRIPTION: SOLUTION ID:
120746
SOLUTION:
CAUSE: The main CB has failed.
SOLUTION: Verify the proper flash files are being used. Verify the parallel port setting in the PC
CMOS is set to Standard (Normal). Reseat all connectors and replace the main CB (p/n
26NA-9301) as needed.
USAGE:
2
Unable to enter correct copy quantity.DESCRIPTION: SOLUTION ID:
121070
SOLUTION:
CAUSE: Copy limit function is enabled.
SOLUTION: To program the copy quantity limit, perform the following:
1. Power the copier OFF.
2. Access the 25 mode (power the copier ON, while pressing the 2 and 5 keys).
3. Touch [1. Software SW] on the touchscreen.
4. Select dipswitch [9] using the left up-arrow on the touchscreen
5. Select the bit number of the switch using the middle up-arrow.
6. Select OFF (0) or ON (1) to program the desired setting.
7. Use the matrix below to input the desired copy quantity limit.
9-0 9-1 9-2 9-3
0 0 0 0 No limit
1 0 0 0 Copy limit = 1
0 1 0 0 Copy limit = 3
1 1 0 0 Copy limit = 5
0 0 1 0 Copy limit = 9
1 0 1 0 Copy limit = 10
0 1 1 0 Copy limit = 20
1 1 1 0 Copy limit = 30
0 0 0 1 Copy limit = 50
1 0 0 1 Copy limit = 99
8. Power the copier OFF/ON to exit the 25 mode.
USAGE:
2
After completing L-detect, a 0004 error occurs.DESCRIPTION: SOLUTION ID:
121611
SOLUTION:
CAUSE: The cleaning blade flipped, preventing the drum from turning.
SOLUTION: Remove the drum assembly and check the cleaning blade. Add setting powder to the
cleaning blade and drum and then reassemble the drum assembly.
USAGE:
2
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Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005