HP LaserJet II Serie Manual De Instrucciones página 165

TROUBLESHOOTING
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7. ~O~LESHOOmNG
7-1. INTRODUCTION . . . . . . . . . . . . . . .
7-2. PRE-TROUBLESHOOTING PROCEDURES . . .
Preliminary Operating Checks . . . . . . . . . . .
Pre-Troubleshooting Check List . . . . . . . . . .
7-3. WN FLOWCHART . . . . . . . . . . . . . .
Flowchati 7-1. Main Troubleshooting Sequence . . .
Flowchart 7-2. Power-Up Sequence . . . . . . . . .
Flowchart 7-3. Paper Movement Sequence . . . . .
Possible Paper Movement Sequence Problems Table .
7-4. PRINTER MESSAGE TROUBLESHOOTING . . .
Message Summary Table . . . . . . . . . . . . .
Blank Display . . . . . . . . . . . . . . . . . .
DC Voltage Functional Check . . . . . . . . . .
AC Power Functional Check . . . . . . . . . . .
"02 WARMING UP" (continuous) Message . . . . .
"11 PAPER OUT" Message "PC/EC LO~" Message
Paper Out Sensor (PS301) Functional Check . . .
Manual Feed Sensor (PS302) Functional Check . .
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Tray Size Switches (SW201, SW202, SW203) Functional Check
"12 PR~TER OPEN" Message . . . . .
+ 24B Vdc Functional Check . . . . . .
"13 PAPER JAM" Message . . . . . . .
Paper Jam Detection . . . . . . . . .
Paper Feed Area Checks . . . . . . .
Main Motor (Ml) Functional Check . .
Paper Tray Checks . . . . . . . , . .
Paper Feed Mechanid Checks . . . . .
SL301 Functional Check . . . . . . .
Feed Roller Assembly Functional Check .
Registration/Transfer Area Checks . . .
SL302 Functional Check . . . . . . .
Etit Area Checks. . . . . . . . . . .
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Paper Efit Sensor (PS331) Functional Check .
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7-5
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7-1o
7-11.
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7-1
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