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data
heads
2-9
register, storage
1-8
storage facility
2-1,3-1
tracks
2-4
data communications
10-1
abbreviations
10-1
data flow
channel
1-5
processing unit
1-4
system
1-3
diagnostic patterns, display
5-8
test/operate
10-12
dial tone detect
10-19
diode Dl
50,100, and 1551pm printer
4-22
285 Ipm printer
4-102
disk
description
2-4
drive motor 2-14
drive motor start relay 2-16.2
enclosure
2-2, 2-11
speed
2-7
speed transducter
2-21
spindle
2-2
diskette
care
3-10
format
3-4
display
assembly
5-7
intensity control
7-7
operation
5-4
theory
5-1
yoke
5-7
display/data switches
7-7
drag, ribbon
50,100, and 1551pm printer
4-51
285 Ipm printer
4-130
drive
belt, carriage
50, 100, and 155 Ipm printer
4-55
285 Ipm printer
4-136
belt, carrier
9-38
belt, ribbon
50, 100, and 155 Ipm printer
4-49
285 Ipm printer
4-128
motor
diskette drive
3-15
50, 100, and 155 Ipm printer
4-23
2851pm printer
4-103
pulley
3-17
drive (continued)
pulley assembly, type belt
50, 100, and 155 Ipm printer
4-36
285 Ipm printer
4-114
rolls, ribbon
50,100, and 155 Ipm printer
4-51
285 I pm pri nter
4-130
shaft, tractor
50, 100, and 155 Ipm printer
4-53
285 Ipm printer
4-134
driver
hammer
50,100, and 1551pm printer
4-14
285 Ipm printer
4-94
solenoid
50, 100, and 155 Ipm printer
4-14
285 Ipm printer
4-94
dual level filter (ferro resonant power supply)
8-13, 8-22
dual level power supply (high frequency power
supply)
8-1, 8-11
dust cover, leadscrew
3-13
Dl diode
50, 100, and 155 Ipm printer
4-22
285 Ipm printer
4-102
emitter
disk, forms feed
9-23
forms feed
9-10
hold down bracket, print
9-30
pickup, print
9-29
position
50, 100, and 155 Ipm printer
4-42
285 Ipm printer
4-120
print
9-30
end-of-forms interlock switch
50, 100, and 155 Ipm printer
4-19
285 Ipm printer
4-99
end-of-forms switch
new style
9-27
old style
9-26
equalizers out
10-15
error
history table
1-14
logging
1-14
event indicator sequence
1-10
rndex
X-3
TNL: SN31-0487 to SY31-0373-4 (25 Nov 77)
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