Power Indicator Not Illuminated; On Line Indicator Not Illuminated; Not Printing; Light And/Or Smeared Characters - Printronix p300 Maintenance Manual

I. UNSURE OF SYMPTOMS
Confidence Check
II. INITIAL INSTALLATION
New Printer Does Not Operate
III. CONTROL PANEL INDICATORS, SWITCHES,
AND DISPLAYS OPERATE IMPROPERLY

POWER Indicator Not Illuminated

CHECK Indicator Stays On

ON LINE Indicator Not Illuminated

IV. SHUTTLE MOVEMENT NOT NORMAL
Shuttle Does Not Accelerate to Speed and Stop
When ON LINE switch is pressed
V. RIBBON TRANSPORT FEEDS IMPROPERLY
Ribbon Does Not Advance
Ribbon Folds Over
Ribbon Not Feeding Smoothly
End of Ribbon Not Detected
VI. PRINTER NOT PRINTING PROPERLY

Not Printing

Missing Characters (See Fig 4–13)
Missing Dots (See Fig 4–15)
Light and/or Smeared Characters (See Fig 4–17)
Misplaced Dots
Too Light or Dark (See Fig 4–19)
Horizontal Misalignment (See Fig 4–21)
Vertical Misalignment (Fig 4–24 thru 4–26)
Garbled Letters and/or Wrong Font
VII. PAPER TRANSPORT NOT FEEDING PROPERLY
No Paper Feed
Paper Feeds Erratically
Paper Drags
Top of Form Does Not Operate
4–2
Table 4–1. Malfunction Symptom Index
Malfunction Symptom Flow Chart Page
Figure 4–1 4–3
Figure 4–2 4–7
Figure 4–3 4–8
Figure 4–4 4–10
Figure 4–5 4–12
Figure 4–6 4–14
Figure 4–7 4–15
Figure 4–8 4–17
Figure 4–9 4–18
Figure 4–10 4–20
Figure 4–11 4–21
Figure 4–12 4–24
Figure 4–14 4–29
Figure 4–16 4–36
Figure 4–18 4–39
Figure 4–19 4–43
Figure 4–21 4–46
Figure 4–23 4–48
Figure 4–27 4–55
Figure 4–28 4–57
Figure 4–29 4–61
Figure 4–30 4–66
Figure 4–31 4–69
P300/P600 Troubleshooting