Laser Beam Pitch Adjustment - Ricoh Gestetner LANIER SAVIN G071 Service Manual

Laser Beam Pitch Adjustment

1. Select test pattern 15 with
SP5-955-1 (Test Pattern –
Pattern).
2. Check if vertical black stripes
can be seen.
a) If stripes cannot be seen
(Figure 2), laser beam
pitch adjustment is not
required.
b) If stripes can be seen
(Figure 1), laser beam
pitch adjustment is
required. Go on to the
next step.
3. To adjust the laser beam pitch,
tighten or loosen the screw [A]
on the LD unit holder.
4. Set SP 2-917 (Test Pattern) to
'On'. Then send a one-page
job to the printer, or print an
SMC list (SP 5-990-6, SP Print
mode – Non default).
5. Repeat steps 2 through 4 until
the black stripes disappear
(Figure 2).
SM
CÓPIA NÃO CONTROLADA
Figure 1
3-15
CÓPIA NÃO CONTROLADA
LASER OPTICS SECTION
Feed direction
Figure 2
[A]
G070R952.WMF
G070R820.WMF
G071