Ricoh Kr-P2, Field Service Manual

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3. LD unit holders [B] (x 2)
4. Loosen the screw [C].
5. Nut [D]
6. LD Unit [E] (
x 1)
• Do not remove the screws that secure the LD board.
• Do not touch any variable resistors on the LD board.
When installing the LD Unit:
Tighten the screw [C] until the unpainted portion of the screw [a] is not visible.
After installing the LD unit, check the test pattern for the final adjustment (see the following procedure).
Laser Beam Pitch Adjustment
1. Print out the following test patterns (A4 LEF or A3):
• Select the test pattern "10.Stitch" with SP 5902-3.
• After selecting a pattern, use SP 5902-1 to print one test pattern.
• After completing the adjustment, reset SP 5902-3 to "NoPattern".
Laser Unit
39
4