Printronix P9000 Series - Manual (Page 19)

2-1 Operation
CHAPTER 2
OPERATION
Operation Features
On Line
The P9012 printer functions either on line" or off line." When on line, the printer is capable
of receiving data and control commands from the host computer. The message display on the
printer control panel indicates that the printer is on line and shows the current print mode.
Off Line
When the printer is off line, communication between the printer and the host computer is temĆ
porarily stopped and the message OFFLINE READY appears on the display. Set the printer
off line to perform the following tasks which are described in this chapter:
n Display/Change Configuration n Set Forms Length
Values
n Run the Self-Test n Load Paper and Ribbon
n Set/Advance Top-of-Form n Change Print Modes
n Enter Hex Dump Mode n Adjust Paper Tractors
n Set Line Spacing
Command Sets (Protocol Modes)
The P9012 printer responds to two different command sets, or protocols: P-Series and Serial
Matrix.
The protocol is selected from the control panel and must correspond with the host programĆ
ming standard to communicate with the printer. P-Series protocol generates characters and
graphics using Printronix standard P-Series control codes. The Serial Matrix protocol generĆ
ates characters and graphics using Serial Matrix control codes similar to the IBM Graphics
Printer. Refer to the Programming chapter for information on P-Series and Serial Matrix proĆ
tocols.
Character Set Options
Four basic character set choices are selectable from the control panel: IBM PC, Multinational,
DEC Multinational, and ECMA 94 Latin 1. Within each character set, foreign language sets
are also selectable. Additionally, OCR-A and OCR-B character sets are available.