Teletype INKTRONIC RO Description

TELETYPE CORPORATION
Srokie, Illinois, U.S.A.
SECTION 592-820-lllTC
Issue 2, February 1970
"INKTRONIC®" PAGE PRINTER SET (RO)
ELECTRONIC CIRCUITS
DESCRIPTION AND PRINCIPLES OF OPERATION
CONTENTS PAGE
1. GENERAL . ................. .
2. COMPONENTS ••..............
3. OPE.RATION ................ .
CONTROLS AND INDICATORS .••..
1
4
4
4
INTERFACE . . . . . . . • . . . . . • . . . 8
A. DAIF1 Serial Interface . . . . • . • 8
B. DAIF2 Parallel Interface . • • • • . 13
C. Discrete Cal.ling Generator • . . . 17
CHARACTER GENERATOR. . . . . . . 17
A. General . . . . . . . . . . . . . . . . . 17
B. Detailed Circuit Description. • . . 20
PRINTER DRIVE . . . . . • . • . . • . . . 2 5
A. General . . . . . . . . . . . . . . . . .
25
B. Detailed Circuit Description. . . . 26
POWER SUPPLY . • . . . . . • . . . . . . 29
A. General . . . . . . . . . . . . . . . . . 29
B. Detailed Circuit Description. . . • 32
CONTROL cmCUIT CARDS. . . . . . . 35
A. Pre- Paper Puller Motor
Control . . . . . . . . . . . . . . . . . 35
B. Line Feed Motor Regulator . . . . 36
C. Paper Jam/Paper Out Alarm . . . 37
INK HEATER AND UNE FEED
BRACKET ASSEMBLY ........ , . 38
PAPER WINDER (Optional
Feature) ·. . . . . . . . . . . . . . . . . . . 3 9
• Trademark
or
Teletype Corporation
CONTENTS
PAGE
DATS1 SIMULATOR . • • • . . • • • • . • 40
A. General . . . . . . . . . . . . . . . . . 40
B. Detailed Circuit Description. . . . 42
4. APPENDIX - LOGIC SYMBOLS AND
CONFIGURATIONS . • . . . . • . . . . . .
44
1. GENERAL
l. 01 This section contains the description and
operating principles of the INKTRONIC
printer operator controls, data set interface,
character generator, printer drive, power sup-
ply, ink heater
and
line feed bracket assembly,
data simulator, and discrete calling generator
modification
kit.
It is reissued to change the
title, place the section
In
standard format,
and
to Incorporate recent engineering changes and
technical comments not previously presented.
Since this is a general reviSlon, marginal arrows
ordinarily used to indicate changes
and
additions
are omitted.
1. 02 The INKTRONIC printer operates from a
signal source at 750, 1050, or 1200words
per minute (75, 105, or 120 characters per sec-
ond) either directly or over telephone facilities.
To Interface with telephone facilities it may have
its own data set (Figures 1 and 2) or it may be
connected to an external data set in a 'TELE-
SPEED"" sender or receiver. The data set ls
not furnished with the printer In either case.
Sets used with a serial interface operate at 1050
or 1200wpm, and those with a parallel interface
operate at 750 wpm.
1. 03 The set consists of a cabinet containing
the power supply
and
electronic modules
plus space for a data set, with the page recorder
and
paper transport housed
in
a separate cover
e>
1968
and
1970
by
Teletype Corporation
All rights reserved
Printed in U.S.A . Page
1
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