239
, Drum Section
chap.4
**
End mark sensor light reception amount
¡HELP mode H-13 display
VR1
End mark sensor PCB unit
(1) VR Adjustment of End Mark PCB Unit
,Electrical system
¡For description of operation.
Adjustment procedure
1) Turn the end mark PCB unit's VR1 counterclock-
wise as far as it will go.
2) Access HELP mode H-13.
For basic HELP mode procedures .
3) Press the PRINT key, and hold it down
briefly. Then release it. When the key is released,
a value between 0 and 63 will be displayed for
the end mark sensor's light reception amount.
¡End mark sensor's light reception amount:
This is normally in the region of 45 displayed
value 50.
To correct the value:
¡Turn the end mark PCB unit's VR1 to adjust the
displayed value to the value in 3) minus 5.
NOTE
\See page 102
\See page 291
HELP mode H-13 \ see p.313
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