Service manual

Chapter 9
9-8
F-9-15
9.4.3 Image Processor PCB
9.4.3.1 Removing the Image Processor PCB
0011-5462
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
1) Detach the rear cover.
2) Remove the modular jack PCB.
3) Disconnect the two connectors [1], and then release the cable from the
clamp.
4) Remove the three screws [2], and then remove the shield [3].
F-9-16
5) Disconnect all connectors from the modem PCB and network PCB.
6) Disconnect the connector of the cable in the guide [1], remove the claw
[2], and slide the guide [1] upward to remove it.
7) Remove the five screws [3], and then remove the IP cover [4].
F-9-17
8) Remove the screw [1], and then remove the ROM PCB [2].
9) Remove the memory PCB [3].
10) Disconnect all connectors and flexible cables from the image processor
PCB.
11) Remove the six screws [4], and then remove the image processor PCB
[5].
F-9-18
9.4.3.2 Procedure after Replacing the Image Processor
PCB
0011-5463
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / Kaser-
Base MF6560PL / / LaserBase MF6580PL
If you have replaced the image processor PCB with a new one, perform the
following operations:
- Using the service support tool, download the latest firmware (System/Boot/
PCL*1) and language files.
*1: if equipped with PCL functions
- Delete the languages not used at the destination (Service mode > CLEAR
> FILE SYSTEM).
- Input the all value printed on the service label affixed to the rear cover.
Make the following adjustments:
- Correction of output between CIS channels
1) Enter the service mode.
Sequentially press the Additional functions key, 2 key, 8 key, and Additional
functions key on the operation panel.
2) Press the arrow key on the touch panel to display "TEST MODE".
3) Press [OK].
4) Press the [2] key to display "SCAN TEST".
5) Press the [1] key to display "SHADING".
6) Press [OK].
After completion of the above procedure, the contact sensor output is com-
pensated and parameters are set automatically.
After completion of automatic adjustment, "OK" is displayed.
- Read position adjustment (Stream reading: Only when the ADF is installed)
1) Enter the service mode.
Sequentially press the Additional functions key, 2 key, 8 key, and Additional
functions key on the operation panel.
2) Press the arrow key on the touch panel to display "TEST MODE".
3) Press [OK].
4) Press the [2] key to display "SCAN TEST".
5) Press the [3] key to display "SHEET POS ADJ".
6) Press [OK].
The optical system starts scanning. Several seconds later, automatic adjust-
ment of the reading position finishes and "OK" appears.
[2]
[3] [2][1]
[4]
[2] [1]
[1]
[2]
[3]
[1]
[2] [3][4]
[3][3]
[3]
[3]
[3]
[1] [2] [4][4]
[4][5][4]
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