Toshiba DP120F Service Manual page 373

• PTC GA Signal Table
No. Signal Name
105 LEN
107 DOOR
108 SCPE
109-111 SCPS0-2
112-114 IPRT5-7
116-119 PM0-3
122 POWER
123 READYX
124 CRDYX
125 SCPF
126 PSV
127 PCFWENA
128 ERROR
I: Input O: Output
DP120F/DP125F Circuit Description
(4/7)
Type
O Laser enable signal
Enables the LSU to apply a laser beam.
O Scanner cover open detect signal (H: Open, L:
Closed)
Detects the open or closed state of the scanner cover.
I Bypass tray paper empty detect signal
(H: Paper present)
Detects the presence or absence of paper in the
bypass tray.
I Bypass tray paper size detect 0-2 signals
Detect the size of recording paper in the bypass tray.
SCPS2
LOW
LOW
LOW
HIGH
- Signal ground
- Monitor signal
O LBP Engine control signal (H: Power ON)
Outputs the power status to the PCL interface.
O Engine ready signal (active-low)
Indicates the standby state to the PCL interface.
O LSU ready signal (L: Ready)
Indicates the LSU ready status to the PCL interface.
O Bypass tray paper pickup solenoid drive signal (H:
Feed)
Drives the paper pickup solenoid of the bypass tray
to feed the recording paper.
O PC interface status select signal
(H: Normal, L: Power Save)
Indicates the power save status to the PC interface.
O PC interface data bus connection signal
(H: Disconnected, L: Connected)
Controls the connection of the PC interface data bus.
O PCL error signal (L: Error)
Indicates to the PCL that an error has occurred in
the printer engine.
I/O: Bidirectional
Functions
SCPS1
LOW
LOW
HIGH
HIGH
7-64
SCPS0 Paper
LOW LG
HIGH LT
LOW A4
HIGH Other
March 2000 © TOSHIBA TEC