Ricoh SP 6330N, Service Manual

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Laser Unit
M047 4-17 SM
Replacemen
t
and
Adjustment
4.4.5 LASER BEAM PITCH ADJUSTMENT
1. Print out the following test patterns (A4 LEF or A3):
ƒ Select the test pattern "10.Stitch" with SP 5902-3.
ƒ After selecting a pattern, use SP 5902-1 to print one test pattern.
ƒ After completing the adjustment, reset SP 5902-3 to "NoPattern.”
2. Check a test pattern. If the laser beam pitch is not correct, the images are as follows.
ƒ Third stripe [A] from the leading edge: Vertical black strips seem to appear.
3. Adjust the LD unit holder position: Tighten or loosen the screw [C] (see the previous
page) until the printout appears as follows.
ƒ Third stripe [A] from the leading edge: The thin lines are of uniform thickness (no
striping effect should appear on the printout).
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA