Interfacepin outs
Parallelinterface
Pin Name Function
1STROBE Goes low for 20.5vs when active
2DATAO High when active
3DATA1 High when active
4DATA2 High when active
5DATA3 High when active
11
6DATA4 High when active
17 IDATA5 IHigh when active I
IDATA6 IHigh when active I
9DATA7 High when active
10 ACK 5psto acknowledge receipt of data
I11 IBUSY IPrinter setsline low when ready to
receive data. I
12 PAPER High when paper runs out. Can be
disabled with EDS setting.
II
13 #ISELECT High when printer is on-line
.
Signal ground
17 CHASSIS Chassis ground (isolated from signal
ground)
18 +5V +5VDC output from printer
11
19-30 IGND Twisted pair ground return
II
31 1—
RESET IWhen this signal is setlow, the printer
II Iis reset. I
32 ERROR ILowwhen printer cannot continue due
to an error
I1
33 EXT GND External ground