Laser Unit Alignment Adjustment - Ricoh K-C3 Service Manual

B245/B276/B277/B268/B269 Service Manual

Laser Unit Alignment Adjustment

Reinstall the copy exit tray before you turn the main switch on. The laser
beam may go out of the copier when the copy exit tray is not installed. The
laser beam can seriously damage your eyes.
1. Start the SP mode.
2. Select SP 5902 1 and output the 'Trimming Area' pattern (pattern 10).
3. Make sure that the four corners of the pattern make right angles:
If they make right angles, you do not need to adjust the laser unit alignment.
If they do not make right angles, go on to the next step.
4. Check the screw position on the lever [B].
If the screw is in the hole [C], go on to the next step.
If the screw is in the slot [D], loosen the screw on the lever, loosen the four screws
on the laser unit, and go on to step 9.
The initial position of the screw is in hole [C].
5. Four screws in the laser unit (
6. Remove the lever (
and reinstall the lever.
7. Install the screw (through the slot [D]) loosely into the hole beneath the slot (do
not tighten the screw).
8. Install the four screws for the laser unit loosely (do not tighten the screws).
9. When you rotate the lever clockwise or counterclockwise by one notch of the
lever, the corners of the pattern shift by 0.4 mm (from the leading and trailing
p.69)
x 1), confirm the position of the hole beneath the slot [D],
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