Adjustments; Cis And White Platen Roller Adjustment - Ricoh Aficio 480W Dolphin-C2 Service Manual

28 April 2005

3.10 ADJUSTMENTS

3.10.1 CIS AND WHITE PLATEN ROLLER ADJUSTMENT

Perform this adjustment after replacing the CIS (Contact Image Sensor) or the
white platen roller.
This adjustment achieves even image density, even if the image density of the
white platen roller is uneven. The standard original used for this adjustment is one-
sheet of plain paper (cut sheet or roll) paper with a horizontal main scan and
vertical sub scan (945 W x 210 L mm ± 5mm).
NOTE: The width of the main scan direction must be 926 mm or more.
1. On the operation panel, press ".
2. Enter $%&
3. Hold down # for more than 3 seconds.
4. On the touch panel, press Copy SP.
5. Enter 4705 002, press ' , and then press [Start] to execute the image scan
adjustment.
6. Insert the original.
7. Enter 4705 001, press ' and then press [Start] to confirm that the previous SP
executed correctly.
Important
• If a jam occurred during the procedure above, the machine is defective. Check
the CIS harnesses and the following connectors.
Power Supply Unit CN129
IOB CN213
IPU CN427
!
CIS CN341
! CIS CN342
!
CIS CN343
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ADJUSTMENTS