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Power supply
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC. 220VAC. 240VAC, 50/6OHz
(varies according to the country of pur-
chase)
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Automatic
sheet
feeder
RS-232C interface
Color printing kit
Character font card (64k)
Battery-backed RAM card (32k)
Pull tractor feed
The following describes the pinout of the parallel (Centronics-type) inter-
face connector (signals which are low when active are overlined):
Pm Name
Function
1 STROBE Goes from high to low (for To.Sps) when active
2 DATA0
High when active
3 1 DATA1
1 Hieh when active
4
DATA2
High when active
5
DATA3
High when active
6 DATA4 High when active
7
DATA5 High when active
8
DATA6 High when active
9
DATA7 High when active
10 ACK 5ps low pulse acknowledges receipt of data
11
BUSY Low when printer ready to receive data
12 .
PAPER High when paper out. Can be disabled with Memory
Switch setting
13 SELECT High when printer is on-line
14.15 1 N/C
I
I
16
SIGNAL GND
Signal ground
17
CHASSIS Chassis ground (isolated from signal ground)
18 +5v +5V IX outout from nrinter
19-30 GND
31 RESET
32
ERROR
33
EXT GND
34,35 N/c
36 SELECT IN
Twisted pair ground return
When this input signal is low, printer is reset
Outputs low when printer cannot continue, due to an error
External ground
Alwavs hinh
108