Sp6-01, 6-02: Main Scan Position - Platen, Adf; Sp6-20: Standard White Execution - Ricoh DD 4450 Service Manual

4.3.5 SP6-01, 6-02: MAIN SCAN POSITION – PLATEN, ADF
1. Make a copy in platen mode at 90 rpm (speed 3).
2. Measure the difference between the center of the main-scan on the original and on the print.
3. Access SP6-01, input the gap value and press the Enter key. (If you input a positive value, the
image moves towards the operation side.)
4. Repeat the procedure to make sure that there is no difference.
5. Make a copy in ADF mode and repeat the process using SP6-02.

4.3.6 SP6-20: STANDARD WHITE EXECUTION

Do this after one of the following is replaced:
RAM on the MPU

White plate located behind the original scale.

Do it at the end of the image adjustment procedure
1. Place a stack of 10 sheets of paper on the exposure glass.
2. Access SP6-20 and then press the Enter key to start the auto calibration.
SM 4-5
Image Adjustment
C279