Printronix p300 Maintenance Manual page 318

M
Magnetic Pickup
Gap, Adjustment, Figure, 5–21
Phasing Adjustment, 5–22
Replacement, 5–67
Figure, 5–69
Magnetic Pickup Gap, 5–20
Maintenance
Checks and Service, Preventive, 3–1
Table, 3–1
Corrective, 5–1
Preventive, General, 3–1
Maintenance Overview, Introduction, 1–1
Malfunction Symptom Index, Table, 4–2
Malfunctions, Common Causes of, 4–1
Misplaced Dots, 4–39
Missing Characters, 4–24
Missing Characters, Example of, 4–28
Missing Dots, 4–29
Missing Dots, Example of, 4–35
MOS Supplies, P600, +5V and, Figure, 2–65
Motion Sensor Replacement, Paper, 5–82
Figure, 5–83
Motor Relay Trigger Circuit, P600, Figure,
2–68
Motor Replacement
Paper Feed, 5–78
Figure, 5–79
Ribbon Drive, 5–44
Figure, 5–45
Shuttle, 5–70
Figure, 5–71
MPU Circuit, Operation of, 2–28
N
New Printer Does Not Operate, 4–7
No Paper Feed, 4–57
Not Printing, 4–21
O
ON LINE Indicator Not Illuminated, 4–12
Operating Procedures, 1–2
I–4
Operation, 1–2
of MPU Circuit, Figure, 2–28
Principle States of, 2–1
Principles of, Scope, 2–1
Optical Sensor Replacement, Paper Out, Figure,
5–87
Optical Sensor Replacment, Paper Out, 5–86
Optional Features, 1–1
Options, Controls and Indicators for
Figure, 1–8
Table, 1–8
P
Paper Drags, 4–66
Paper Feed
Control Circuits, Block Diagram, Figure,
2–55
Logic Block Diagram, 2–37
to Top–of–Form Timing, Figure, 2–44
Paper Feed Belt
Adjustment, 5–26
Replacement, 5–76
Figure, 5–77
Paper Feed Belt Tension Check and Adjust-
ment, Figure, 5–27
Paper Feed Motor, Replacement, 5–78
Figure, 5–79
Paper Feed State, 2–35
Paper Feeds Erratically, 4–61
Paper Ironer, Replacement, 5–74
Figure, 5–75
Paper Motion Detector, Diagram, Figure, 2–54
Paper Motion Sensor
Adjustment, 5–28
Figure, 5–29
Replacement, 5–82
Figure, 5–83
Paper Out
Mechanical Switch, Replacement, 5–84
Figure, 5–85
Optical Sensor, Replacement, 5–86
Figure, 5–87
Paper Out Detector, Adjustment, 5–30
Figure, 5–31
Paper Transport, Components, Figure, 2–52
Parts List (Appendix C), C–1
PCBA
Replacement
Hammer Driver, 5–100
Figure, 5–101
P300/P600 Index