Wiring Diagrams 10-19
FAN ALARM Sub Fan monitor signal. If a trouble occurs, this signal goes High.
EXIT /INB Excitation signal for Exit Motor. Phase /B.
EXIT /INA Excitation signal for Exit Motor. Phase /A.
EXIT INB Excitation signal for Exit Motor. Phase B.
EXIT INA Excitation signal for Exit Motor. Phase A.
EXIT CUR A Current-switching signal for Exit Motor.
EXIT CUR B Current-switching signal for Exit Motor.
A and B Current output to each winding of Exit Motor. Phases A and B.
/A and /B Current output to each winding of Exit Motor. Phases A
and B.
/PRFD Prefeed signal. This is effective only when /RDY is Low.
/CCLK Clock signal. This is sent out simultaneously with /STA or /CMD.
/CMD Command signal. When /CBSY is Low, it is sent out from the controller in
synchronism with /CCLK.
/CPRDY Ready signal for the controller power supply. This signal goes Low when
the controller power supply is ON and, at the same time, initialization of
the CPU is completed. When a trouble occurs with the CPU, the signal
goes High.
/START Print start signal. This is effective only when /RDY is Low.
/CBSY Command busy signal. This goes Low when /CMD is sent out (except
when /SBSY is Low or /PPRDY is High).
/STA Status signal. Status is sent in synchronism with /CCLK when /SBSY is
Low.
/SBSY Status busy signal. This signal is Low when the printer is sending /STA
(except when /CBSY is Low or /CPRDY is High).
/TOP Vertical sync signal for image data. This is periodically sent out when
Laser Unit Motor is in operation.
/RDY Ready signal. This signal is Low in a standby state where reception of /
START is awaited.
/PPRDY Ready signal for the printer power supply. This goes Low when the printer
power supply is turned on and initialization of the CPU is completed. This
signal goes High when the MCP detects an error.
/BD Horizontal sync signal for image data. This is periodically sent out when
Laser Unit Motor is in operation.
/SLP Control signal for LVPS. This goes Low in power saving mode.
/VDO1 Image data signal. This is sent out in synchronism with /TOP and /BD.
This signal goes High (White) for other than effective data.
/VDO2
Signal line
name
Description
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