Gestetner B070 Service Manual page 194

LASER UNIT
⇒
3.6.3 LD UNIT
WARNING
Turn off the main power switch and unplug the machine before attempting
this procedure. Laser beams can seriously damage the eyes.
NOTE: To avoid damaging the board with static electricity, never touch the printed
circuit board.
1. Exposure glass ( 3.5.1)
2. LD cover [A] (
3. LD unit [B] (
• Before removal, note how the LD
unit is inserted into the 4 seams of
the optical housing (the thickness
is different according to color).
This positioning is used for fine
adjustment of the LD unit position.
Make sure that you install the LD
at the same position.
• Be sure to remove the mylar from
the underside of the old LD unit
and attach it to the new one.
4. After installing the LD unit, execute SP2115 001~007 to input the pitch settings
for the main scan beams.
NOTE: The correct settings for these SP codes are printed on a decal attached
to the mounting bracket [C] of the LD unit.
<LD Unit Lot No.>
SP2115 001/SP2115 002/SP2115 003
PS2115 004/SP2115 005/SP2115 006/SP2115 007
The 7 numbers printed on the label correspond to the correct settings of the SP
codes shown in the diagram above.
B070/B071
CÓPIA NÃO CONTROLADA
x 4, x 1).
x 2, x 5).
CÓPIA NÃO CONTROLADA
Rea r
[B]
Front
3-36
Rev. 06/2004
[A]
[C]
B070R102.WMF
SM