Table Of Contents - Radio Shack TRS-80 CGP-220 Operation Manual

Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
1/ Some Background Information . . . . . . . . . . . . . . . . . . . . .
3
2/ Description of the CGP-220. . . . . . . . . . . . . . . . . . . . . . .
5
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Top View . . . • . • . • . • • • . • . • • • • . • • • • . • . . • . • . • • • • • • . . 6
Rear View. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 7
3/ Setting Up the CGP-220...........................
9
Connecting the CGP-220 to an AC Power Source......... . 9
Paper Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Single Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Roll-Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Setting the Green Lever ............................. 10
Unlocking the Carriage .......................... 11
Locking the Carriage ............................ 11
Checking the Ink-Jet Mechanism ..................... 11
Ink-Supply Pumping ............................... 12
Self-Test ........................................ 12
Connecting the CGP-220 to a TRS-80 .................. 12
Power-Up Sequence ................................ 13
Replacing the Ink Packs ............................ 13
4/ Using the CGP-220 (General Printer Operation) .....
15
Control Codes ..................................... 15
Sending Control Codes from BASIC ................... 15
5/ General Control Codes ............................
17
Line Feed/Carriage Return .......................... 17
Elongated Characters ............................... 17
Dot Pitch Selection ................................
18
Print Head Positioning .............................
18
Character Repetition ...............................
19
Color Selection ....................................
19
6/ Entering the Various Printing Modes ...............
21
The Text Mode .................................... 21
The Bit Image Mode ................................ 21
The Color-Scan Mode ............................... 21
7 / The Bit Image Mode ..............................
23
Printing Graphic Patterns ........................... 24
Line Feed ........................................
25
Repeat Function ...................................
25
Color Function ....................................
25
Mixing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26