Oki B4100 User Manual
Page 495

40055101TH Rev.4
495 /
A3.13 TQSB (Second tray) Circuit Diagram: option
1.
Block diagrm
This board is installed as the optional board for OKIFAX 5000 series.
Figure A3.13.1 shows a block diagram of the second tray (option).
2.
Function
Second tray consists of the following functions:
•
Paper capacity
: 500 sheets
•
Paper size
: A4, Letter, Legal
•
Paper-size selection
: Automatic
•
Cassette/no-cassette selection
: Automatic
•
Paper/no-paper selection
: Automatic
•
Paper route open to facsimile transceiver unit : Automatic decision
Control method:
When second tray is installed with the facsimile transceiver unit, the tray is connected to the
facsimile transceiver unit by a connecting cable. The tray is controlled by the command from
CPU of PU (printer unit) section.
X'tal
MOS CPU
Open collector
Filter
Open collector
CN14
CN1
OPSDP-N
OPSCLK-N
OPSD-N
3
2
4
3
2
4
M17
2nd tray (option)
M
1
2
3
4
Transistor
Motor
Motor drive
Pull-up resistor
Inlet sensor
Paper end sensor
SIZE
7
5
8
6
0 VP
SGND
+30 V
+5 V
0 VP
+30 V
+5 V
SGND
IOGA
IC2
MOTOR
Figure A3.13.1 Block Diagram of 2nd Tray (for OKIFAX 5000 Series)