Epson EPL-N3000 Service Manual page 419

EPSON EPL-N3000/AcuLaser M4000N
§1 INTERLOCK S/W 24V,INTERLOCK S/W REAR,MAIN MOTOR,FAN
SUB,MOTOR ASSY EXIT
Signal Line Name
/HEAT ON AC power control signal of Heater Rod. Low: ON / High: OFF
MOTOR ON Control signal of MAIN MOTOR
MOTOR ALM Monitor signal of MAIN MOTOR
Front or Rear Cover Open detection signal. Goes High when the Front or Rear Cover
INTERLOCK AFT
is opened.
INTERLOCK BEF Front Cover Open detection signal. High when Front Cover is open.
FAN ALARM FUN SUB monitor signal. High when there is an error.
EXIT /INB Phase /B excitation signal of EXIT MOTOR.
EXIT /INA Phase /B excitation signal of EXIT MOTOR.
EXIT INB Phase /B excitation signal of EXIT MOTOR.
EXIT INA Phase /B excitation signal of EXIT MOTOR.
EXIT CUR A Current change signal for EXIT MOTOR.
EXIT CUR B Current change signal for EXIT MOTOR.
A and B Current output to each coil of EXIT MOTOR. Phase A, phase B
/A and /B Current output to each coil of EXIT MOTOR. Phase A, phase B
/PRFD Pre-feed signal. Works only when /RDY is Low
/CCLK Clock signal. Transmitted simultaneously with /STA or /CMD
Command signal. Transmitted from the controller in synchronization with /CCLK
/CMD
when /CBSY is Low.
Ready signal of power to the controller. Turns Low upon completion of CPU
/CPRDY initialization after turning on of power to the controller. Turns High at occurrence of
any error in CPU
/START Printing start signal. Works only when /RDY is Low.
Command busy signal. Low during /CMD transmission.
/CBSY
(Except when /SBSY is Low or /PPRD is High)
Status signal. When /SBSY is Low, Status is transmitted in synchronization with
/STA
/CCLK.
Status busy signal. Low during /STA transmission from the printer.
/SBSY
(Except when /CBSY is Low or /PPRD is High)
Vertical synchronizing signal of image data. Output periodically during operation of
/TOP
ROS Motor.
/RDY Ready signal. Low during waiting for reception of /START.
Ready signal of power to the printer. Turns Low upon completion of MCU CPU
/PPRDY initialization after turning on of power to the printer. Turns High when MCU has
detected an error.
Horizontal synchronizing signal of image data. Output periodically during operation
/BD
of ROS Motor.
Appendix
Description
Wiring Diagrams and Signal Information
Signal Line Name
/SLP Control signal for the LVPS. Low in power-saving mode.
/VDO1
Image data signal. Transmitted in synchronization with /TOP and /BD. High (White)
for any data other than effective data.
/VDO2
Revision C
Description
419
Confidential