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S
schematics
control board, 90
serial interface, 2, 81
connector, 2
serial interface board
removing, 34
schematics, 94
adjustments, 11
cleaning, 11
communication interfaces, 2
electrical operation, 79
maintenance, 7, 19
mechanical operation, 85
models, 1
spare parts, 75
technical specifications, 4
troubleshooting, 53
space mechanism, 86
space mechanism operation, 86
space motor assembly
connection circuit, 73
removing, 44
resistance, 73
spare parts, 77
communication sequence, 82
space rack
removing, 46
spare parts, 75, 77
board assembly, 75
fuse, 76
journal take-up, 76
linefeed, 76
paper supply, 76
power cord, 76
power transformer, 77
printhead, 77
ribbon cassette, 75
ribbon feed mechanism, 77
space motor assembly, 77
space rack, 77
specifications
consumable products, 5
environmental operating
limits, 5
performance, 4
physical dimensions, 4
power requirements, 5
printing, 4
reliability, 4
specifications, technical, 4
T
take-up assembly gears
lubrication, 8
tools, for maintenance, 7, 19
transport-auto cutter assembly
disassembling, 22
lubrication, 10
removing, 20
troubleshooting
carriage does not move, 56
operate normally, 59
control board blows, 62
determining the problem, 53
incomplete homing, 59
indicator display does not
operate normally, 60
lights do not function, 55
line feed does not occur, 69
no voltages on
control board, 55
power LED is lit, 56
power supply board
fuse blows, 70
power supply fuse blows, 61
print not dark enough, 68
printer is dead, 55
printing does not occur, 63,
64
runaway vibration, 59
some characters not
printed, 66
some dots not printed, 67
spacing does not occur, 63
switches do not function, 55
wrong characters printed, 66
99
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Table of Contents
Troubleshooting
