Digital Equipment LA50 Guide

EK-OLASO-UG-001
. Installing and. Using
the LASO Printer
mamaama .

EK-0 LASO-UG-001
Installing and Using
the LASO Printer
Prepared by Educational Services
of
Digital Equipment Corporation

1st Edition, August 1982
Copyright© 1982 by Digital Equipment Corporation
All Rights Reserved
The reproduction of this material, in part
or whole, is strictly prohibited. For
copy information, contact the Educational Services Department, Digital
Equipment Corporation, Maynard, Massachusetts 01754.
The information in this document is subject to change without notice. Digital
Equipment Corporation assumes no responsibility for any errors that may
appear in this document.
Notice: This equipment generates and uses radio frequency energy.
It has
been type tested and found
to complywith the limitsfor a Class Bcomputing
device in accordance with the specifications in Subpart J
of Part 15 of FCC
Rules, which aredesigned
to provide reasonable protection againstradioand
television interference in a residential installation. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipmentdoescauseinterferencetoradioor
television reception, theuseris
encouraged
to try to correct the interference.
Printed in Japan.
The following are trademarks of Digital Equipment Corporation, Maynard,
Massachusetts.
DEC
DECUS
DIGITAL
Digital Logo
PDP
UNIBUS
VAX
OS/8
DECnet
DECsystem-1 O
DECSYSTEM-20
DECwriter
DIBOL
EduSystem
OMNIBUS
IAS
MASSBUS
PDT
RSTS
RSX
VMS
VT

---------------------------iii
CONTENTS
Introduction
Installing Printer .... .... ...... .... .... .... ... .. .... ...... .. ...... ... .. . 1
Packing Removal ... ..... .. .. .. ..... ..... .............. ... ........ 1
Installing Ribbon Cartridge........................................ 2
Installing Power Cable ....... ........ ............................. 4
Inserting Paper ........................................................ 5
Inserting Pinfeed Paper ............................. .............. 5
Inserting Single Sheet Paper ..................................... 1O
Self-Test Procedure .................................................... 12
Installing System Cable ................................................ 14
Front Panel Indicators and Switches ................................... 15
Printer Controls .... ................................. ................... 16
Maintaining Printer .... ... ..... ........... .............................. 17
Troubleshooting Printer .... ... .. .. . .. ... .. .. . .. . .. .. .... .. .. . .. .. .. .... 18
Operator Checklist ................................................ 18
Replacing Printhead .............................................. 20
Replacing Fuse
................................................... 24
Printer Configuration ................................................... 26
Configuration Switches
........................................... 26
National Character Set Switches .. ..... .. .. .. .. ...... .. . .. . .. ..... 28
Graphics Aspect Ratio Switch
..................................... 29
XON/XOFF and Ready/Busy Protocol Switches ................... 29
Right Margin Switch .............................................. 30
Baud Rate Select Switches ....................................... 30
Data Format Switches .. .. . .. ....... .. . .. ... .. . .. . .. . .. ...... .. .. . 31
Specifications ............ ................................. ............. 32
Field Service Information . .. . .. .. .... .. .. .. . .... ... .. . .. .. .. .. .... .. .. .. 34

INTRODUCTION
This document tells you how to install, use, maintain, troubleshoot, and
configure your LA50 printer. Before you continue, make sureyou have all the
itemsshown below. Ifany itemsare missing or damaged, immediatelycontact
your Sales Representative and Delivery Agent.
OPERATOR
MANUAL

INSTALLING PRINTER
Packing Removal
1. Remove access cover.
2. Remove c d
ar board ret .
amer.

Installing Ribbon Cartridge
1. Take up slack in ribbon by turning knob in direction indicated.
2. Position cartridge between clips and push down into place.

3
3· Replace access cover.

Installing Power Cable
1. Make sure power switch is set to off position (0).
2. Plug power cable into rear of printer and electrical outlet.
MA·10,006

INSERTING PAPER
NOTE: The printer uses pinfeed or singlesheetpaper. Instructions on insert-
ing single
sheet paper are on page 10.
Inserting Pinfeed Paper
1. Turn off power.
2. Open paper window.
3. Remove paper cover.
4. Pull bail bar away from platen.
5. Push paper release lever toward back of printer.
MA-10,007

6. Open paper clamps.

7. Position paper on tractor. If paper does not fit properly, use white trac-
tor release levers to reposition tractors.

8. Close paper clamps.
9. Turn platen knob and guide paper behind platen.
10. Advance paper until top of paper is behind bail bar.
BAIL BAR
PLATEN
,KNOB
I
MA·10,010

9
11. Push bail ba .
r against platen.
12. Close paper window.
13. Replace paper cover.

Inserting Single Sheet Paper
1. Turn off power.
2. Open paper window.
3. Pull bail bar away from platen.
4. Push paper release lever toward back of printer.
PAPER
WINDOW
\
MA-10,012

5. Push paper through slot in paper cover and guide it to front of platen.
Align paper.
6. Pull paper release lever toward front of printer.
7. Push bail bar against platen.
8. Close paper window.
9. Turn platen knob to reposition paper.
SLOT
PLATEN
KNOB
/

SELF-TEST PROCEDURE
NOTE: The cover must be on to run self-test.
1. Push and hold down FORM FEED button.
2. Turn the power on.
3. Release FORM FEED button.

You should get the following printout.
ABCDEFGHI JKLMNOPQRSTUVWXYZ [\.J A_' abcdefgh i j K1 mnopqr·s.tuvwxyz (: )~· ! "tt$X&' <) *+, - ./01
BCDEFGHIJKLMNOPQRSTUVWXYZC\.JA_'abcdefghijKlmnopqrstuvwxyz{:}~ !"tt$X&'<>*+,-./012
CDEFGHI JKLMNOPQRSTUVWXYZ [\.J A-' abcdefgh i j K1 mnopqrstuvwxyz <: }~· ! "tt$X&' ( > *+, - ./0123
DEFGHI JKLMNOPQRSTUVWXYZ C\.J ''-' abcdefgh i j K1 mnopqrstuvwxyz <: }~ ! "tt$X&' <) *+, -./01234
EFGHI JKLMNOPQRSTUVWXYZ [\.J "_' abcdefgh i jK 1 mnopqrstuvwxyz (: )~ '" tt$X&' <> *+, - ./012345
FGHI JKLMNOPQRSTUVWXYZ ['\J "-' abcdefgh i jKl mnopqrstuvwxyz <: )~ '" tt$X&-· () *+, - ./0123456
GHI ~TKLMNOPQRSTUVWXYZ [\.J "- 'abcdefgh i _i K1 mnopqrs.tuvwxyz <: )~ '" tt$X&' <) *+, - ./01234567
HIJKLMNOPQRSTUVWXYZC\.l"-'abcdefghijKlmnopqrstuvwxyz{:}~ !"tt$X&'()*+
1
-./012345678
I JKLMNOPQRSTWWXYZ ['\J "_' abtdefgh i j K1 mnopqrstuvwxyz <: }~· '" #$%&·' () *+, - ./0123456789
JKLMNOPQRSTUVWXYZC\.l"-'abcdefghijKlmnopqrstuvwxyz{I}~ !"#$%&'<>*+,-./0123456789:
KLMNOPQRSTUVWXYZ [\.J "-' abcdef gh i j K1 mnopqrstuvwxyz <: }~ '" tt$X&' <) *+, - ./0123456789:;
LMNOPQRSTUVWXYZC\.l"-'abcdefghijKlmnopqrstuvwxyz<: }~
1
"#$%&'<>*+,-./0123456789:;<
MNOPQRSTWWXYZ [\.J "-' abcdefgh i j K1 mnopqrstuvwxyz {I}~ ! "#$%&' () *+, - ./0123456789:; <=
NOPQRSTUVWXYZ [\.J "- ·, abcdefgh i j k 1 mnopqrstuvwxyz <: }~ '" #$%&' <) *+, - ./0123456789:; <=>
OPQRSTUVWXYZ [\.J "-' abcdefgh i j K1 mnopqrstuvwxyz <I)~· ! "tt$X&' <) *+, - • /0123456789:; <=>?
PQRSTUVWXYZ [\.] "-' abcdefgh i j K1 mnopqrstuvwxyz <: }~ ! "#$X&' <) *+ ,- ./0123456789: ; <=>?Gl
MA·l0,016
4. After a few lines print out, turn off power to stop printer.
Followup
If printer passes self-test, continue to next instruction. If printer does not
pass self-test,
or FAULT light blinks, refer to Troubleshooting section.

INSTALLING SYSTEM CABLE
1. Plug system cable into back of printer, and tighten two retaining
screws by turning them clockwise.
2. Install other end of cable as described in your system installation man-
ual.
~
RETAINING
SCREW
MA-10,015
3. Installation is now complete. Please fill out and return the enclosed
installation card.
A Customer Identification Number is located on the rear of the top cover. If
you are capitalizing this equipment, use this number in your records as
identification of the printer, and place your asset tag on the top cover.
Become familiar with the information in the next section before you oper-
ate the printer with your system.