Chapter 9
Introduction: Printing Terminals and Printers
Introduction
Digital offers a variety of quality printing terminals and printers. Table 9-1
summarizes the many features of Digital’s KSR and RO printers, while Table 9-2 summarizes
the key features of Digital’s system printers. Further details on these products can be
found in the following chapters and appendices.
Chapters
Chapters 10 through 17 describe the following products.
Table 9-1 Printing Terminal and Printer Selection Chart
Feature |
Receive-only |
KSR |
Letterprinter 100 |
LQP02 |
LA50 |
DECprinter III |
DECwriter Correspondent |
Letterwriter 100 |
DECwriter III |
Mounting1 |
Desktop |
Desktop |
Desktop |
Pedestal |
Desktop |
Desktop |
Desktop |
Print Technology |
Dot matrix |
Daisywheel |
Dot matrix |
Dot matrix |
Dot matrix |
Dot matrix |
Dot matrix |
Draft Print Speed (char/s) |
240 |
|
100 |
180 |
150 |
240 |
180 |
Memo Print Speed (char/s) |
80 - Opt |
|
50 |
|
|
80 - Opt |
|
Letter-quality Print Speed (char/s) |
30 |
32 |
|
|
|
30 |
|
Paper |
|
Office Stationery |
|
Fanfold |
|
Roll |
|
|
|
|
|
|
|
|
Characters per Line |
|
Standard Print |
|
Compressed Print |
|
|
|
|
|
|
|
|
Number of Selectable Character Widths |
8 |
2 |
6 |
8 |
8 |
8 |
8 |
Maximum Paper Width (inches) |
15 |
15 |
8.5 |
15 |
8.5 |
15 |
15 |
Parts per Form |
4 |
6 |
3 |
4 |
2 |
4 |
93 |
National Character Sets |
10 |
254 |
10 |
6 |
9 |
10 |
6 |
User-selectable Typefaces5 |
2 |
Opt |
|
|
|
2 |
|
Bit-mapped Graphics |
Std |
6 |
Std |
|
Std |
Std |
|
VT100 Line-drawing Set |
Std |
|
Std |
|
Std |
Std |
|
Buffer Capacity |
0.4 K 4K – Opt |
0.4 K |
1K |
4K |
0.4 K 1K – Opt |
0.4 K 4K – Opt |
4K |
Communications Interfaces |
|
RS232 |
|
20 mA |
|
Parallel |
|
|
|
|
|
|
|
|
Integral Modem7 |
|
|
|
|
LA12-AB, Std |
|
|
Acoustic Coupler7 |
|
|
|
|
LA12-AB, Std LA12-CB, Std |
|
|
Legend: Std Standard Equipment Opt Options Not Available |
Footnotes for Table 9-1
1 All desktop models can be mounted on stands.
2 Tractor/pinfeed mechanisms are standard on all printers except the LQP02. For the LQP02, an optional tractorfeed is available. See Chapter 11.
3 LA120-RB only.
4 Daisywheels are available in a variety of national character sets, typestyles, and two character sizes.
5 With the LA100 Series you can select a number of typestyles and character sets
as either a field-installable ROM or a plug-in cartridge. National character
set overlays are also available. See Chapter 10 of this
handbook for more details. With the LQP02, select the daisywheel for your
application. See Chapter 11 of this handbook.
6 DaisyAids, a new software package, gives the LQP02 graphics capabilities.
7 Optional modems and acoustic couplers are available for all RO and KSR printers.
Table 9-2 System Printer Selection Chart
Feature |
LN01 |
LP25, LP32-A, LP32-B |
LP26, LP32-E |
LP27 |
LXY12 |
LXY22 |
Print Speed |
12 pages/min |
300/215 l/min |
600/450 l/min |
1250/800 l/min |
300/240 l/min |
600/465 l/min |
Character Set |
2 sets of 188 characters each |
64/96 |
64/96 |
64/96 |
64/96 |
64/96 |
Print Technology |
Non-impact laser |
Band |
Band |
Band |
Dot matrix |
Dot matrix |
Paper Type |
Office stationery |
Fanfold |
Fanfold |
Fanfold |
Fanfold |
Fanfold |
Multipart Forms Capability |
— |
6 |
6 |
6 |
6 |
6 |
Graphics |
— |
— |
— |
— |
Yes |
Yes |
Paper Slew Speed (cm/s) |
Not applicable |
37.5 |
37.5 |
50 |
20.3 |
40.6 |
Line Advance Time (ms) |
Not applicable |
25 |
25 |
14 |
8.5–10 |
8.5–10 |
Appendices
Appendices A and G through L contain supplemental information for Digital’s printing
terminals and printers.
- Appendix A – ASCII codes.
- Appendix G – Programming information for the
Letterprinter 100/Letterwriter 100.
- Appendix H – Programming information for the
DECwriter Correspondent (LA12).
- Appendix I – Programming information for the
DECwriter III (LA120).
- Appendix J – Register information for the LP25,
LP26 and LP27 system printers and the LXY12 and LXY22 graphics lineprinters.
- Appendix K – Brief description of Digital’s
traditional printers, the DECwriter IV/DECprinter IV (LA34/LA38), the DECwriter II (LA36)
and the DECprinter I (LA180).
- Appendix L – Programming information for the
DECwriter IV (LA34)/DECprinter IV (LA38).