Chapter 33-10F-3-2312) Detach the flexible cable guide [1].- 3 screws [2]F-3-2413) Detach the IP cover [1].- 15 screws [2]F-3-2514) Detach the image processor PCB [1].- 5 connectors [2]- 7 screws [3]F-3-263.5.1.3 Procedure after Replacing the Image ProcessorPCB 0017-2271If you have replaced the image processor PCB with a new one, perform thefollowing operations:- Using the service support tool, download the latest firmware (System/Boot).- Input the all value printed on the service label affixed to the rear cover.Make the following adjustments:- Correction of output between CIS channels1) Enter the service mode.Sequentially press the User Mode key " ", 2 key, 8 key, and User Modekey " " on the operation panel.2) Using the arrow keys on the operation panel, display "TEST MODE".3) Press the OK key.4) Press the 2 key. "SCAN TEST" appears.5) Press the 1 key.After completion of the above steps, contact sensor output correction will beperformed and parameters will be set automatically.- Read position adjustment (Stream reading: Only when the ADF is installed)1) Enter the service mode.Press the User Mode key " ", 2 key, 8 key, User Mode key " " on theoperation panel of the host machine.2) Using the arrow keys on the operation panel, display "TEST MODE".3) Press the OK key.4) Press the 2 key. "SCAN TEST" appears.5) Press the 3 key. "SHEET POS ADJ" appears.The optical system starts scanning. Several seconds later, automatic adjust-ment of the reading position finishes and "OK" appears.3.5.2 SDRAM3.5.2.1 Preparation for Removing the SDRAM 0017-22501) Detach the rear cover.(page 9-4)Reference[Removing the Rear Cover]2) Change the position of the jumper plug (JP100) [1] on the modem PCB(capacitor PCB).[1][1][2][2][2][2][1][2]If automatic adjustment fails, "NG" appears. Perform the followingprocedure:Clean the white roller of the DADF and the document glass of the hostmachine, and then retry auto adjustment.If disconnecting/connecting the modem PCB (capacitor PCB) withoutimplementing this operation, the SDRAM may be broken.[3][3][1][2]
