NEC 4650N - Manual (Page 103)

97
CHAPTER 8
TROUBLESHOOTING
O VERVIEW
This chapter tells you how to resolve common printer
problems. Topics include:
•
Print quality maintenance
• Simple troubleshooting
• Operator Panel alert messages
• Clearing paper jams
• Print quality problems
note: Refer to the SuperScript Color Laser Network
Guide for problems relating to printer networking.
Print Quality Maintenance
Here are some suggestions for maintaining the highest print
quality from your printer.
•
Replace the Toner Modules immediately when the
display indicates that replacement is necessary.
• Use high-quality paper or transparencies to obtain sharp,
crisp characters and maximum contrast.
• Follow the cleaning procedures described in Chapter 7,
“Maintaining Your Printer.”
Simple Troubleshooting
Here are some simple resolutions to occasional printer
problems.
Power light is off…
Check that the power cord is plugged into a live power outlet
and the printer power switch is turned on.
Power light is on but printer does not print…
• Verify that the Online indicator light is on (if it is not,
press the Online button).
• Verify that all interface cable connections are tightly
secured.
Paper does not output to the output tray…
Check for paper jam or misfeed.
Paper does not stack correctly…
Check that the paper is between 16 and 90 lbs. base weight.
Printer Messages
Printer messages provide useful information for progress
checks and troubleshooting. These messages are displayed
on the printer Operator Panel.
Status Messages
Status messages appear on the printer operator panel and
report normal operating conditions. No action is necessary.
The table on page 66, summarizes status messages.
Alert Messages
Alert messages appear on the printer Operator Panel when a
condition occurs that causes normal printing to be
suspended. Often, operations can be recovered without
losing data by removing the source of the problem. Other
conditions require the printer to be turned off and then on
again to reset it, in which case, any data is lost. If Jam
Recovery is set to On, the printer will automatically reprint
lost pages of a PostScript print job after a jam is cleared, as
long as you do not turn off the printer. Jam Recovery can only
be set in the Operator Panel menu tree (see page 70).
The table on page 98, summarizes alert messages and the
action you can take to correct them.
Service Messages
If a major problem occurs, the Operator Panel will display
the
SERVICE CALL message followed by a code, such as F5 .
You must call an authorized service representative to resolve
this problem. Report the code when you call to assist in
diagnosing the problem. See page 109 for more information
about getting service.