Epson LQ-2550 Technical Manual page 50

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Boards Connectors
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CN 1
I
I
I
CN 12
CN 13
CN 15
CN 17
CN
CN 19
CN 1
NOTES: Refer to Table A-18
Table 2-1. Connector Descriptions
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Connection
Host computer
#8 IXX l/F board
Host computer
Identity/font module
Font module
Not used
Battery unit
Control panel
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Uppercase
ROPS board
External AC power switch
board
in Appendix for details.
Descriptions
l/F (8-bit parallel)
l/F (option)
l/F (RS-232C serial)
SLOT A
SLOT B
Memory backup +3V DC
CS motor, HF motor, and
PW sensor
PT solenoid and PT sensor
CR HP sensor
Fan unit
PE sensor
PG motor and PG HP sensor
CR motor
PF motor
LD solenoid and LD sensor
RL solenoid and RL sensor
Case open sensor
+ 5
Power supply board
Pin number
36
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26
—
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I
32
I
32
2
18
18
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18
I
18
5
3
2
2
9
6
6
4
4
3
12
2