Service manual

7020
Black copies.DESCRIPTION: SOLUTION ID:
123264
SOLUTION:
CAUSE: A broken charge corona wire.
SOLUTION: Replace the charge corona wire (p/n 26NA25060).
USAGE:
2
Unable to set the paper sizes to the correct trays.DESCRIPTION: SOLUTION ID:
124176
SOLUTION:
CAUSE: The machine's memory failed.
SOLUTION: Reinitialize the machine. To reinitialize the machine perform the following.
1. Power the machine ON while holding down on the 4 and 7 keys, output code 93.
2. Press the print button.
3. Power the machine OFF/ON to exit the 47 mode.
USAGE:
2
F81-2 while flashing the image firmware.DESCRIPTION: SOLUTION ID:
124789
SOLUTION:
CAUSE: An incorrect image file is being used.
SOLUTION: Ensure that the correct file is used.
USAGE:
2
F0-0 occurs at power up.DESCRIPTION: SOLUTION ID:
125522
SOLUTION:
CAUSE: The F-0 code is not identified in the service manual. This code is most likely attempting
to identify a communication failure within the machine.
SOLUTION:To reset memory to factory defaults perform the following:
1. Enter the 25 mode (power the machine ON, while pressing the 2 and 5 keys).
2. Select Software SW.
3. Using the up/down arrows, scroll to address 3-4 (All Memory Reset).
4. Select OFF.
5. Power the machine OFF.
6. Enter the 47 mode (turn the machine ON, while pressing the 4 and 7 keys).
7. Enter 9, 2, press the START key, press the STOP/CLEAR key.
8. Enter 0, 9, 6, press the START key, press the STOP/CLEAR key.
9. Enter 0, 9, 3, and press the START key.
10. Power the machine OFF/ON.
Note: When the memory board is initialized, all data is deleted.
*[[Trademark ownership information| FILE V:\TEXT\TRADEMRK.TXT NEW]]
USAGE:
2
Poor scanning quality.DESCRIPTION: SOLUTION ID:
125578
SOLUTION:
CAUSE: The scanner dpi setting is set to the default 200dpi setting.
SOLUTION: To change the default scanner dpi 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 Printer.
5. Scroll down until Scan Quality is highlighted.
6. Select Edit until the desired dpi setting is selected (200dpi/300dpi/400dpi/600dpi).
7. Power the machine OFF/ON to exit the Key Operator Mode.
USAGE:
2
Test patterns are light, or blank in the 36 mode.DESCRIPTION: SOLUTION ID:
125622
SOLUTION:
CAUSE: The Overall halftone density test pattern is set to a 0 (white).
SOLUTION: Set the Overall halftone density test pattern to 255 (black). To set the Overall
halftone density test pattern to 255 (black) perform the following;
1. Access the 36 mode (power the copier ON, while simultaneously holding the 3 and 6 keys).
2. Press [5. Density adj.].
3. Press [1. Print density adj.].
4. Highlight [NO.01].
5. Using the touchscreen key pad enter 255.
6. Press [SET].
7. Press [Return].
8. Power machine OFF/ON.
USAGE:
2
FK101, maximum memory allocation.DESCRIPTION: SOLUTION ID:
128170
76
Copyright 2005, Konica Minolta Business Solutions U.S.A., Inc.
May 2005