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VI Troubleshooting

1. Paper Misfeed Detection


2. Malfunction Detection


3. Image-Related Troubleshooting


4. No Power
1. Paper Misfeed Detection




I
H E
F
G
A
B
C
D




Misfeed Detecting Sensor Layout
2. Malfunction Detection

Warning Code /
Malfunction Code List


Maintenance Call Mark




Trouble Reset Switch
3. Image-Related Troubleshooting
Initial Check Items Scanner Section or the Image
1. Make the "Gradation Adjust", "PRT Max. Density" Control Board
or "PRT Highlight" adjustment in the Tech. Rep
Mode.
CCD Sensor

2. Test Print Output Image processing Board (IR)

Select the test pattern suitable for the image
failure problem in Tech. Rep. Mode. Use Test I/F cable
Print Mode, then judge if the cause of the
problem is due to a malfunction in the Printer Image Control Board (Memory)
Engine by making a test print.
PIC Board
Test print
Is the image failure problem is reproduced on the (Printer)
test pattern?

YES NO
Printer Engine Section
Problem is due to a malfunction Problem is due to a malfunction in the Scanner
in the Printer Engine Section or the Image Processing Board
To "Printer Engine-Related" To "Scanner Section or Image Control
board-Related"
3.1 Printer Engine-Related
Select the test pattern suitable for the
image failure problem in Tech. Rep.
Mode. Use Test Print Mode, then
judge if the image failure problem is
4
reproduced in the mono-color or in 4
Colors
colors by making a test print when the
cause of the failure is due to Mono
malfunction in the Printer Engine Color
Section.
Is the same problem is reproduced in
all of 4 colors?
YES NO

Problem is due to a Problem is due to a malfunction in
malfunction in the Transfer the IU
Belt Unit Section, Transfer
Roller Unit Section or Fusing
Unit Section
3.2 Scanner Section or Image Control Board-Related
Check to see if the image data has been transferred correctly between the Image
Processing Board and the Image Control Board or between the Image Control
Board and the PIC Board.
IR Section

Check to see if the image data is transferred
correctly between Image Processing Board and CCD Sensor
Image Control Board or between Image Control
Board and PIC Board Image Processing Board (IR)

Checking Procedures:
IR -> Memory I/F Cable
Enter Tech. Rep. Mode
Depressing Adjust -> Memory/Hard Disk Adjust - Image Control Board (Memory)
> Memory Bus Check in this order, select both Memory -> Printer
PIC Board
[IR->Memory] and [Memory -> PRT ] for checking. (Printer)


OK NG

Problem is due to a malfunction of The cause is due to a failure in the data
the Image Processing Board, the transmission at the place with NG
CCD Sensor Section or the Scanner indicated or Image Processing section.
Section
4. No Power




Troubleshooting