Canon imagePRESS P400 Service Manual page 80

■ Scanning
Symptom
Problems with scan- • Loose, incorrect, or missing connection
ning or sending files
• The printer does not have an IP ad-
■ Printing
NOTE:
Intermittent print quality problems are difficult to trace. Before you try to troubleshoot print quality problems, print a test page to
make sure that the printer itself does not need servicing or adjusting.
Symptom
Test page fails to Print engine is not ready to print
print
There is a problem with the connection be-
tween the imagePRESS Server and the
printer
Corrupted system software
Faulty hard disk drive
imagePRESS Server
PostScript error
appears in the list of
printers on the cus-
Application problem
tomer's workstation,
but certain jobs do
not print
Configuration page is • Missing, incorrect, or faulty DIMM
completely or mostly • Corrupted system software
blank
A print job stalls or PostScript or application error
stops after one or a
few pages
Missing, incorrect, or faulty DIMM(s), or faul-
ty DIMM connections
Possible cause
between the imagePRESS Server and
printer
dress
Possible cause
Suggested action
1. Check and reseat the printer interface cable between the im-
agePRESS Server and the printer.
2. Power off/on the printer.
3. Replace the printer interface cable.
Suggested action
1. Make sure that the printer is powered on and ready to print.
2. Check the printer touch panel for indications or messages
about the printer status.
1. Make sure that the imagePRESS Server LED is lit. If not, press
the power switch to turn on the imagePRESS Server.
2. Power off/on the printer.
NOTE:
Power off the printer using the main power switch on the
front.
3. Make sure the network and scanning options are available
from the printer touch panel.
4. Check again that the printer interface cable is present and
properly connected to the imagePRESS Server and the print-
er.
5. Check again that the printer interface board is present and
properly connected to the motherboard.
6. Replace the printer interface cable.
7. Replace the printer interface board.
8. If the problem persists, you may need to service the printer.
Reinstall system software.
Replace the hard disk drive.
If replacing the hard disk drive does not correct the problem, make
sure you install the old hard disk drive back into the imagePRESS
Server.
Make sure that Print to PostScript Error in Setup is set to Yes.
Check for error messages on the imagePRESS Server output.
1. Print a job from a different application to determine if the prob-
lem is associated with a particular application.
2. Make sure that the connection between the imagePRESS
Server and the workstation is working by downloading a test
page from the workstation or printing a simple file, such as a
text file.
3. Resend the problem file.
1. Check the DIMM and reseat them to remove any oxidation on
the connectors.
2. Reinstall system software.
3. Replace the motherboard.
1. Cancel the imagePRESS Server print job.
2. If this fails to clear the problem, power off/on the printer.
1. Power off the imagePRESS Server; check for missing DIMMs
and reseat the DIMMs to remove any oxidation on the con-
nectors.
2. Replace the motherboard.
74
5. TROUBLESHOOTING