Service manual

7020
THIS MODE UNAVAILABLE FOR THIS SIZE message when copying from the glass.DESCRIPTION: SOLUTION ID:
109870
SOLUTION:
CAUSE: In key operator mode, the output is set to sort/staple, but there is no finisher installed.
SOLUTION: Ensure that sort/staple is not selected. To do this, perform the following:
1. Access the key operator mode (power the copier ON while pressing the HELP key).
2. Press [1. System/Copier].
3. Press [2. Copier/Initial].
4. Press [5. Output].
5. Press [Sort]. Sort will no longer be highlighted.
6. Press [Staple]. Staple will no longer be highlighted.
7. Press [OK].
8. Power the copier OFF/ON to exit the key operator mode.
USAGE:
4
PLEASE INSERT KEY COUNTER message with no key counter installed.DESCRIPTION: SOLUTION ID:
110739
SOLUTION:
CAUSE: Copy vendor option is enabled in the 25 mode.
SOLUTION: To disable copy vendor option, perform the following:
1. Access the 25 mode (power the copier ON with SW2 on the operation panel, while pressing the
2 and 5 keys).
2. Select [1. SOFTWARE SW].
3. Press the left down arrow 10 times.
4. Press the right up arrow 6 times. The top of display should indicate SOFTWARE SW17-6: 1
5. Press the OFF button once. The top of display should now indicate SOFTWARE SW17-6: 0
6. Power OFF/ON to return to normal copy mode.
Note: The function of dipswitch 17-6, in the 25 mode, only applies to 7020's with firmware levels 29
System/26 Image and above.
USAGE:
4
Developing unit parts change.DESCRIPTION: SOLUTION ID:
111822
SOLUTION:
The 2 screws that attach the developing unit lid to the developing unit have been abolished in
manufacturing. Since the lid of the developing unit is fixed with 2 hooks, abolishment of the 2
screws does not affect machine function and performance. This change applies to all new 7020's
and with replacement developing units (p/n 26NA-3002).
USAGE:
4
FS107, conveyance casing part availability.DESCRIPTION: SOLUTION ID:
112962
SOLUTION:
The conveyance casing is now available as a separate part (p/n 13GQ45010). The replacement
conveyance casing does not include any of the hardware that is attached. When replacing the
conveyance casing, you must first remove all the hardware from the original conveyance casing
and re-install them to the replacement conveyance casing. The conveyance casing is illustrated on
page 8 of the FS107 (2/2000) parts catalog.
USAGE:
4
Dark streaks on copies in the lead-to-trail direction.DESCRIPTION: SOLUTION ID:
116847
SOLUTION:
CAUSE: Dirty or failed charge corona unit.
SOLUTION: Clean or replace the charge corona unit (p/n 26NA-2500).
Note: See [[poor image quality sample| IMAGE V:\bitmaps\cjc301.bmp SCROLL]].
USAGE:
4
Code 51-6 during warm-up or at the beginning of a print cycle.DESCRIPTION: SOLUTION ID:
116921
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:
4
F28-3 occurs intermittently.DESCRIPTION: SOLUTION ID:
119719
SOLUTION:
CAUSE: The PTL lamp failed.
SOLUTION: Replace the PTL (p/n 26NA-4581)
Note: The PTL can be checked in 47 mode. This is not recommended because the right side door
has to be open.
USAGE:
4
REPLACE FIXING UNIT message shortly after the PM.DESCRIPTION: SOLUTION ID:
120604
48
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005