
Service Manual
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Description
Pins
Reference
Video Controller
MAIN
parallel interface
36 pins
Table 1-13
Serial
interface
25 pins
Table 1-14
Connector for
upgrade board
ROM-B
board)
Table A-2
Connector for
upgrade board
ROM-B
board)
Table A-3
Connector for HP font cartridge
50 pins
Table A-4
Connector for optional l/F (Type-B) card
36 pins
Table A-5
Connector for card
50 pins
Table A-6
Connector for engine controller board
board)
50 pins
Table A-7
Upgrade Board
ROM-B
Connector for video controller board
MAIN board)
Table A-2
A.3
Engine
Board)
Connector for video controller board
MAIN bed)
50 pins
Table A-7
Not used
.
—
Connector for control panel
16 pins
—
Not
—
—
Connector for printhead unit
13 pins
Table A-8
Connector for paper take-up solenoid, paper exit sensor, and
paper empty sensor
8 pins
Table A-9
Connector for high voftage supply board
board)
9 pins
Table A-10
Connector for power suppfy board
board)
11 pins
Table A-1 1
Connector for lower paper cassette
7 pins
Table A-1 2
CN1O
Not
—
—
Connector for thermistor
2 pins
Table A-1 3
Connector for engine controller board
board)
16 pins
—
Board
Connector for AC power inlet
4 pins
—
Connector for main motor
6 pins
Table A-14
Connector for engine controller board
board)
11 pin
Table A-1 1
Connector for heater lamp
3 pins
Table A-15
Boa&
Connector for engine controller board
board)
9 pins
Table A-1 O
Connector for fan motor
2 pins
Table A-16
Connector for paper take-up sensor
3 pins
Table A-1 7
—
Table A-1. Board Connector Summary
I
Rev.