Canon i-SENSYS MF6595
Adjustment. After Replacing. Image Processor PCB
Procedure after Replacing the Image Processor PCB
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).
*1: if equiped with PCL functions. - Input the all value printed on the service label affixed to the rear cover.
Make the following adjustments:
Correction of output between CIS channels
- Enter the service mode. Sequentially press the Additional functions key, 2 key, 8 key, and Additional functions key on the operation panel.
- Press the arrow key on the touch panel to display "TEST MODE".
- Press [OK].
- Press the [2] key to display "SCAN TEST".
- Press the [1] key to display "SHADING".
- Press [OK]. After completion of the above procedure, the contact sensor output is compensated and parameters are set automatically. After completion of automatic adjustment, "OK" is displayed.
Read position adjustment (Stream reading: Only when the ADF is installed)
- Enter the service mode. Sequentially press the Additional functions key, 2 key, 8 key, and Additional functions key on the operation panel.
- Press the arrow key on the touch panel to display "TEST MODE".
- Press [OK].
- Press the [2] key to display "SCAN TEST".
- Press the [3] key to display "SHEET POS ADJ".
- Press [OK].
The optical system starts scanning. Several seconds later, automatic adjustment of the reading position finishes and "OK" appears.
If automatic adjustment fails, "NG" appears. Perform the following procedure:
Clean the platen guide of the DADF and the document glass of the host machine, and then retry auto adjustment.