Printronix T4204 Maintenance Manual page 138

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Print quality, 27
faded or poor, 40
light on right side of label, 40
smears or voids in printed image, 40
strange characters instead of correct label
format, 40
Printer
alarms, 29
appears to work but nothing prints, 39
cleaning, 23
configuration, 15
Dynamic Print Control, 16
emulations, 17
fails to turn on, 39
features, 17
inspection, 25
installation, 15
printing process, 16
self-test, 28
specifications, 117
supplies, 121
thermal printing technology, 15
Printer operation
advances several labels when FEED is
pressed, 41
print quality is good but printer skips every other
label, 41
Printing specifications, 119
Procedures
cleaning, 23
PRT CONFIG key, 20
Pulleys
clutch, removal, 82
label rewind, removal, 84
ribbon take-up, removal, 86
R
Removal
control panel, 66
controller board, 62
DRAM, 74
front door assembly, 68
fuse, power supply, 60
138
label guide and sensor assembly, 64
media support assembly, 93
memory, 74
motor assembly, 70
platen, 80
platen bearing, flanged, 82
platen drive belt, 78
power supply, 56
power switch, 61
print head, 54
print head carriage assembly, 88
print head data/power cable, 72
pulley, clutch, 82
pulley, label rewind, 84
pulley, ribbon take-up, 86
ribbon drive belt, 76
shaft support housings, 92
SIMMs, 74
top cover assembly, 52
tubes, label and ribbon, 90
Replacement parts, 99
Resistors
configuration, 98
RESTORING BOOT CODE, 133
Ribbon
advances at same rate as label stock, 42
printer advances media, but not ribbon, 42
printer melts through ribbon, 42
types used in printer, 121
wrinkle adjustment, 45
RIBBON DETECTED / In Direct Mode, 36
RIBBON FAULT / Check Ribbon, 36
S
SECURITY CODE VIOLATION, 134
Self-test
printer, 28
Sensor assembly, removal, 64
Shaft support housings, removal, 92
SIMMs, replacement, 74
SOFTWARE ERROR / Recycle Power, 37
Software handshaking, 44
Software, loading, 129

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