Ricoh D0C8, Service Manual

Page: 490 / 1647

Image Adjustment
D0CA/D0C9/D0C8/D0CB 4-256 SM
SP No. SP Name Range
SP1-001-021 Leading Edge Registration: Duplex: Special 1 ± 9.0 mm
SP1-001-022 Leading Edge Registration: Tray: Special 1: 1200 ± 9.0 mm
SP1-001-023 Leading Edge Registration: By-pass: Special 1: 1200 ± 9.0 mm
SP1-001-024 Leading Edge Registration: Duplex: Special 1: 1200 ± 9.0 mm
SP1-001-041 Leading Edge Registration: Tray: Plain: Std Speed 2 ± 9.0 mm
SP1-001-043 Leading Edge Registration: By-pass: Plain: Std Speed 2 ± 9.0 mm
SP1-001-045 Leading Edge Registration: Duplex: Plain: Std Speed 2 ± 9.0 mm
SP1-001-047 Leading Edge Registration: Tray: Special1: Std Speed 2 ± 9.0 mm
SP1-001-048 Leading Edge Registration: By-pass: Special1: Std Speed 2 ± 9.0 mm
SP1-001-049 Leading Edge Registration: Duplex: Special1: Std Speed 2 ± 9.0 mm
Adjustment Procedure
1.
Enter SP2-109-003.
2.
Print out the test pattern (14: 1-dot trimming pattern) with SP2-109-003.
•
Registration can change slightly as shown on the previous page. Print some
pages of the 1-dot trimming pattern for steps 3 and 4. Then average the leading
edge and side-to-side registration values, and adjust each SP mode.
3.
Do the leading edge registration adjustment.
1) Check the leading edge registration and adjust it with SP1-001.
2) Select the adjustment conditions (paper type and process line speed).
3) Input the value. Then press [#].
4) Generate a trim pattern to check the leading edge adjustment.
4.
Do the side-to-side registration adjustment.
1) Check the side-to-side registration and adjust it with SP1-002.
2) Select the adjustment conditions (paper feed station).
3) Input the value. Then press [#].
4) Generate a trim pattern to check the side-to-side registration adjustment.
4.20.5 ERASE MARGIN ADJUSTMENT
• After adjusting the Leading Edge Registration and Side Registration settings (see the
previous section), do the Erase Margin Adjustment. To do this, check the values of
Margins C and D.
• If they are not within the specifications (see below), then adjust C and D with
SP2-103-001 to -004 as explained below. Then check Margins A and B again.