Epson LQ-2550 Technical Manual page 284

connector
lOMA CN 1
CN 10
CN 11
CN 12
CN 13
CN 14
CN 16
CN 17
CN21
CN 1
NOTES: 1. x . . .
Not necessary
2. – . . . Included in the unit
3. In this section, the following abbreviations
Carriage
CR:
CS: Color select
PE: Paper end
f e e d
PF: Paper
PG: Platen gap
LD: Loading
RL: Release
PT: Paper thickness
HF: Head fan
PW: Paper width
Table A-1 8. Connector Summary
Destination
36 Host computer
26 #8 IXX VF Board
25 Host computer
Identity/font module
32
32 Font module
44 Not used
Battery unit
2
18 Control panel
Printer mechanism
18
18
18
5
3
2
2
9
6
6
4
4
3
12
4 External AC plug socket
12 ROMA Board
Description
l/F (8-bit parallel)
l/F (option)
l/F (RS-232C serial)
SLOT A
SLOT B
+3 VDC
HF motor, CS motor,
sensor
PT solenoid and PT sensor
CR home position sensor
Fan unit
PE sensor
PG motor and PG home
position sensor
CR motor
PF motor
LD solenoid and LD sensor
RL solenoid
and RL sensor
Case open sensor
AC power supply (via the #8C0
POWER switch)
Regulated power supply
are used:
A - 3 9
Reference
Cable
Table
Prepared 1-12
on the us-
er side
x
A-1 9
Prepared 1-15
on the us-
er side
x
A-20
x A-2 1
x
A-22
—
A-23
A-24
PW — A-25
—
A-26
—
A-27
— A-28
A-29
—
—
A-30
—
A-3 1
— A-32
—
A-33
—
A-34
A-35
—
—
A-36
A-37
A-38
A-39
A-38