Canon PC740 Service Manual - Page 110
Canon PC740 Manual
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OPERATIONS AND TIMING No. Name + probe Normal if as described Voltage measured by meter (approx.) PS1 PS2 Scanner home position sensor Lens home position sensor (LHP) (SCHP) J101-1 J109-9 Move the scanner by hand while Move the lens mount by hand in standby. while in standby When the scanner is at home position When the scanner is not at home position When the light- When the lightblocking plate is blocking sensor over the sensor is not over the sensor 0 V 5 V 0 V 5 V No. Name + probe Normal if as described Voltage measured by meter (approx.) PS4 Q751 Belt displacement sensor (FFD) J112-1 Pre-registration roller sensor (RPD) J108-4 Move the detecting lever by hand Move the detecting lever by hand while in standby while in standby When the light- When the light- When the blocking plate is blocking sensor detecting lever over the sensor is not over the is not moved sensor When the detecting lever is not moved 0 V 5 V 5 V 0 V Table 3-705 3 - 70 COPYRIGHT CO 1994 CANONINC. CANON PC720174017501770REV.O AUG.1994 PRINTEDIN JAPAN (Imprdmt AU JAPON)