Service Manuals, User Guides, Schematic Diagrams or docs for : Minolta Copiers CF3101 8031060wone

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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

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