Toshiba DP120F Service Manual page 381

• I/OP-2 GA Signal Table
No. Signal Name
27, 28 DRBIS1, 2
29 DRBIS3
30 ORESX
31 APF
32 CMD2
33 CMD1
35-37 PS2-0
38 PE
39 FDS1
40 FDS2
43 LEDON
I: Input O: Output
DP120F/DP125F Circuit Description
(2/4)
Type
O Drum bias voltage set signal
Select a transfer constant-voltage to the drum.
DRBS1
HIGH
LOW
HIGH
- Unused
O Optional recording paper tray reset signal (active-
low)
Resets the optional recording paper tray.
O Solenoid drive signal (H: Paper feed)
Drives the paper pickup solenoid to feed the record-
ing paper.
O Optional recording paper tray select signal (H: Lower,
L: Mid)
Switches the optional recording paper tray to be
driven.
O Optional paper pickup solenoid drive signal (H: Pa-
per feed)
Drives the optional paper pickup solenoid of to feed
the recording paper.
I Paper size detect signal (L: ON)
Detects the size of recording paper.
PS0
LOW
HIGH
HIGH
HIGH
I Paper empty detect signal (L: Paper present)
Detects the presence or absence of recording pa-
per.
I Paper feed sensor detect signal (L: In transport)
Detect the transport status of recording paper.
I Paper exit sensor detect signal (L: In transport)
Detect the transport status of recording paper.
O LED array lighting signal (H: ON)
Lights the LED array for reading in the CIS.
I/O: Bidirectional
Functions
DRBS2
HIGH
-
LOW
PS1 PS2
HIGH HIGH
LOW HIGH
HIGH LOW
HIGH HIGH
7-72
Output
-200V
0V
-100V
Recording paper size
LT
A4
LG
No recording paper tray
March 2000 © TOSHIBA TEC