To Adjust Printer/Scanner Side-To-Side Registration; Printer/Scanner Trailing Edge Registration (Synchro-Cut); To Reset The Scanner Mask; To Reset The Print Erase Margin - Ricoh Aficio 480W Dolphin-C2 Service Manual

28 April 2005

10. To adjust printer/scanner side-to-side registration

1. Copy an OS-A-1 Test Chart with plain paper (cut sheet or roll).
NOTE: Make sure that you execute the copy with manual density set at the
operation panel.
2. Measure the side-to-side registration, within 50 mm from the leading edge of
the copy .
Within ±3.8 mm
Standard
3. If the measurement does not meet the standard, adjust the following SP code.
SP4011 001 Scanner Main Scan Registration

11. Printer/scanner trailing edge registration (synchro-cut)

1. Prepare two originals. One must have length 210 mm, and the other must have
length 1000 mm.
2. Make a copy of each original with plain paper in the synchro cut mode.
3. Compare the original and cut copy paper lengths.
4. If the measurements do not meet the standards (see the table below), adjust
the following SP settings.
SP4961 001 Original Adjustment – Synchro Cut Adjustment 210 mm
Standard: 210 mm ±0.5 mm
SP4961 002 Original Adjustment – Synchro Cut Adjustment 1000 mm
Standard: 1000 mm ±1 mm

12. To reset the scanner mask

Reset SP4012 005~008 (Scanner Erase Margins – Leading, Trailing, Left, Right) to
the previous settings (see the SMC list printed earlier).

13. To reset the print erase margin

Reset the print erase margins to the previous settings (see the SMC list printed
earlier).
SP2101 001 Printing Erase Margin – Leading Edge
SP2101 002 Printing Erase Margin – Trailing Edge
SP2101 003 Printing Erase Margin – Left
SP2101 004 Printing Erase Margin – Right
3-71
ADJUSTMENTS