Ow/Ol Sensor Voltage Adjustment - Ricoh FT5580 Service Manual

12 June 1987

9. OW/OL Sensor Voltage Adjustment

When
Purpose
Target
Voltage Checking
Measure
How
Voltage Adjustment
Measure
How
1. Clean the optics, and set SP 58.
Place three sheets of A3/LDG white paper on the exposure glass,
2.
then press the Enter key and the Start key.
O p e n t h e r e a r c o v e r ( 2 s c r e w s ) , a n d a d j u s t t h e O W a n d t h e O L
3.
sensor voltages using VR 301 and VR 302 respectively on the optics
PCB.
: Every call
: To maintain correct APS mode operation.
: OW and OL sensor voltages are from 2.6
: Set SP 58
: O W s e n s o r v o l t a g e ( V w ) a n d t h e O L s e n s o r v o l t a g e
(VL) are displayed on the guidance display.
: VR 301 on optics PCB = OWS voltage
VR 302 on optics PCB = OLS voltage
: O W s e n s o r ( V w ) a n d O L s e n s o r ( V L ) v o l t a g e s a r e
changed.
3 - 5 0
to 3.1 volts