Table of Contents
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impression singleshot potentiometer
50, 100, and 155 Ipm printer
4-41
285 Ipm printer
4-119
incorrect printing, examples of
50,100, and 155 Ipm printer
4-71
285 Ipm printer
4-151
INIT procedure
C-13
initial
microprogram load
1-10
system checkout
1-10
input/output lines
50,100, and 155 Ipm printer
4-12
285 Ipm printer
4-92
installation instructions
C-l
intensity control, display
7-7
interface signal timings
10-20
interlock switch
cover
50, 100, and 155 Ipm printer
4-18
285 Ipm printer
4-98
description
50,100, and 155 Ipm printer
4-18
285 Ipm printer
4-98
end-of-forms
50, 100, and 155 !pm printer
4-19
285 Ipm printer
4-99
print unit
50, 100, and 155 Ipm printer
4-19
285 Ipm printer
4-99
interrupts, micro
1-11
introduction, system
1-1
jam detection device, forms
50,100, and 1551pm printer
4-70
285 Ipm printer
4-150
key
bit codes
6-3
CE, START
7-7
function
6-4
module
6-7
RESET
7-6
keyboard
assembly
6-7
maintenance
6-7
theory
6-1
Kl
power supply
8-2, 8-14
50, 100, and 155 Ipm printer
4-21
285 Ipm printer
4-101
LAMP TEST switch
7-7
landing zone
2-4
latch assembly
3-12
leadscrew and head carriage assembly
3-14
leadscrew dust cover
3-13
leadscrew wheel
3-19
leaf spring and bearing, carrier
9-39
leased line
board, 1200 bps
10-7
strapping
10-31
LED (light emitting diode)
3-23
left margin
9-31
light
clock
7-7
emitting diode
3-23
PROC INTERRUPT
7-6
limit stop
3-20
line space operation
50,100, and 1551pm printer
4-7
285 Ipm printer
4-87
local storage register (LSR)
1-9
locations
board pins
1-16
BSCA
10-2
.component
1-1 5
disk
2-26
line printer
50, 100, and 155 Ipm printer
4-73
285 Ipm printer
4-153
serial printer
9-49
system
1-15
lock, actuator
2-3
lower forms guide to hammer bar
50,100, and 1551pm printer
4-72
285 Ipm printer
4-152
lower limit stop
3-20
lower paper clamp
single coil, one engaging lever
50, 100, and 155 Ipm printer
4-60
285 Ipm printer
4-142
two coil, two engaging lever
50, 100, and 155 Ipm printer
4-58
285 Ipm printer
4-139
Index
X-5
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