IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

IBM 80 CPS Matrix Printer
The printer is a self powered, standalone table top unit. Itattaches to the
System Unit via a parallel signal cable which is 6 feet in length. The unit
obtains its A C power from a standard wall outlet (120 Vac). The printer
is an 80 Character Per Second (CPS) bidirectional wire matrix device.
Ithas a 9 wire head, allowing it to print characters in a 9x9 dot matrix.
Itcan print in compressed mode 132 characters per line and in standard
font, 80 characters per line. A large font also prints in 66 characters per
line mode. The printer can print double size characters and double
dotted characters. The printer prints the standard ASCII 96 character
uppercase and lowercase character sets. In addition, a set of64 special
block graphic characters are available.
The printer can also accept commands setting the feed control desired
for the application. Setting of 1 to 66 lines per page can be programmed
and the lines per inch may be set to 5,8, or 10. This printer attaches to
the System Unit via the Parallel Printer Adapter or the combination
Monochrome Display Adapter and Parallel Printer Adapter. The cable
is a 25 lead shielded cable with a 25 pin "0" type connector at the
System Unit end, and a 36 pin connector on the printer end.
Note: You may lose data anytime you are running a program with the
printer off and attached to the System Unit.
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