HP color laserjet 4500 Manuale Utente
48
Chapter 1 Troubleshooting control panel messages
EN
General paper path checklist
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Verify that media is correctly loaded in the input trays and that all
length and width guides are set correctly.
length and width guides are set correctly.
•
Clean the printer. Toner and paper dust in the paper path inhibits
free movement of media through the printer and blocks the sensors.
free movement of media through the printer and blocks the sensors.
•
Vary the input and output selections of the printer to determine if the
problem is associated with a particular area of the printer.
problem is associated with a particular area of the printer.
•
Worn separation pads on the multi-purpose tray cause multifeeds.
Check the condition of the pickup rollers and customer replaceable
feed roller. Bent separation tabs cause misfeeds and multifeeds.
Replace the tray if necessary.
Check the condition of the pickup rollers and customer replaceable
feed roller. Bent separation tabs cause misfeeds and multifeeds.
Replace the tray if necessary.
•
Defective paper tray switches can cause paper jams by indicating
the wrong size paper to the formatter.
the wrong size paper to the formatter.
•
Scraps of paper left in the paper path can cause intermittent paper
jams. Always check that the paper path is clear when cleaning the
printer and when clearing paper jams. Also, remove the fuser and
carefully check it for jammed paper.
jams. Always check that the paper path is clear when cleaning the
printer and when clearing paper jams. Also, remove the fuser and
carefully check it for jammed paper.
•
Scraps of paper may be difficult to find in the following areas.
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The ITB drawer connector on the engine side
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The OHT sensor under the registration plate
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The fuser (Remove the fuser and check it carefully.)
•
The web transport (Paper scrapes are sometimes found in the
center of the web transport before the fuser.)
center of the web transport before the fuser.)