Epson AcuLaser C8500 Service Manual page 554

EPSON AcuLaser C8500
Table 7-17. Signal Description - § § § § 10
Signal line
REGI. PAPER SENSED(L) Paper detection signal for MAIN P/H ASSY issued by
5VDC the REGI. SENSOR.
White strip detection signal for OHP film (for color) by
FRONT OHP SENSOR.
FRONT OHP WHITE
* For more information concerning front/back
SENSED(L) 5VDC
detection for OHP film, see Section TBD "OHP
Front/Back Detection Control" in Chapter 2.
White strip detection signal for OHP film (for color) by
FRONT OHP SENSOR.
REAR OHP WHITE
* For more information concerning front/back
SENSED(L) 5VDC
detection for OHP film, see Section TBD "OHP
Front/Back Detection Control" in Chapter 2.
PRE-REGI. CLUTCH
On/off control signal for PRE-REGI. CLUTCH.
ON(L) 24VDC
REGI. CLUTCH ON(L)
On/off control signal for REGI. CLUTCH.
24VDC
FEED CLUTCH ON(L)
On/off control signal for REGI. BRAKE CLUTCH.
24VDC
MAIN P/H ASSY
Connection detection signal for MAIN P/H ASSY.
SENSED(L) 5VDC
PRE-REGI. CLUTCH coil resistance:
REGI. CLUTCH coil resistance:
FEED CLUTCH coil resistance:
APPENDIX
Description
Ω Ω Ω Ω
o
172 ± 10% (20 C)
Ω Ω Ω Ω
o
172 ± 10% (20 C)
TBD
Wiring Diagrams and Signal Information
Revision C
7-52