Chapter 55-25F-5-655.4.4.3 Removing the Original Size Sensor Unit0008-76301) Remove the 3 screws [1], and slide the original size detection unit [2].F-5-662) Disconnect the connector [1], and detach the original size sensor unit[2].F-5-675.4.4.4 Removing the Reader Controller PCB0008-76311) Disconnect the 5 flat cables [1] and the connector [2]; then, removethe 4 screws [3], and detach the reader controller PCB [4].F-5-68How to Disconnect the Flat CableSlide the locking lever [1] in the direction of the arrow to release; then,disconnect the flat cable [2].F-5-695.4.4.5 After Replacing the Reader Controller PCB0008-7632Be sure to generate the latest P-PRINT printout before replacing thereader controller PCB- If you are initializing the RAM on the reader controller withoutreplacing the PCB,Using the SST, upload the backup data of R-CON; initialize the RAM,and then download the data, thus eliminating the need for thefollowing.1) Using the SST, download the latest system software (R-CON).2) Make the following selections in service mode: COPIER>FUNCTION> CLEAR> R-CON. Then, press the OK key to executeRAM initialization. Thereafter, turn off and then back on the mainpower.3) Enter the appropriate settings for the following items in service mode:a. settings indicated on the service label (found behind the reader unitfront cover)a-1 image read start position adjustment (X direction; in fixed readingmode) COPIER>ADJUST>ADJ-XY>ADJ-Xa-2 image read start position adjustment (Y direction; in fixed readingmode) COPIER>ADJUST>ADJ-XY>ADJ-Ya-3 shading position adjustment (in fixed reading mode)[1][1][2] [1][2][3] [3][1][3] [3][4][1][1][2]
