Symptoms And Solutions - Canon imagePRESS P400 Service Manual

NOTE:
Verify that the network is functioning, no unauthorized software or hardware is installed on the imagePRESS Server, and no
problems have occurred with a particular print job or application. The on-site administrator can help you verify these issues.
For problems that persist after you check the external and internal connections, this section provides a comprehensive list of
internal and external checks that may help you fix the problem.
For more information about servicing and troubleshooting problems with the printer, see the documentation that accompanies
the printer.

Symptoms and solutions

For various problems and possible actions, see the following table. To learn possible causes and solutions for a specific error
condition, find the symptom in the charts and perform the appropriate suggested actions in the order listed in the numbered steps.
Verify functionality after each numbered step. Proceed to the next numbered step only if the problem persists.
For example, in the following steps, perform step 1 and then verify functionality. If the problem is resolved, do not perform step
2.
1. Check and reseat the printer interface cable.
2. Replace the printer interface cable.
■ LED codes
NOTE:
If the imagePRESS Server is turned on and hanging on a diagnostic code, first perform the following actions to see if they fix the
problem:
1. Press the power switch to set to the OFF (0) position.
2. Wait another 30 seconds.
3. Turn on the imagePRESS Server using the power switch.
4. Wait approximately five minutes to see if the imagePRESS Server reaches Idle.
5. If the problem persists, make sure that you have reseated internal cable connections and verified system components.
6. If the problem persists, see the code/symptom and suggested actions in the following pages.
Symptom
00 When the imagePRESS Server is Idle and
in Operational mode, the LED display shows
00.
If the LED display shows 00, but the system
is not functioning properly, one or more of
the following may be the cause of the prob-
lem:
• Faulty connection between the image-
PRESS Server and the printer
• Service switches are set to an incorrect
mode
• Improper service switchboard cable
connection
• Corrupted system software
• Missing, faulty, or dead battery
• Corrupted BIOS settings on the moth-
erboard
• Missing or faulty chassis fan
• Faulty CPU and/or CPU cooling assem-
bly
• Faulty HDD or HDD connection
• Faulty motherboard
A7, A8 Possibly one of the following:
• Faulty motherboard
• Faulty or missing CPU
Possible cause Suggested action
1. Check and reseat all cable connections between the image-
PRESS Server and printer.
2. Make sure that the imagePRESS Serverservice switches are
set to OFF (both away from ON).
3. If the server date/time cannot be set or responds slowly, re-
place the battery on the motherboard, and then update the
date/time in Server Setup.
4. Shut down and open the imagePRESS Server, and do the fol-
lowing:
Reseat the power and data cables to the HDD. Make sure that
the data cable is connected to the proper connector on the
motherboard.
5. Reinstall the system software.
6. If no airflow or fan noise is evident at the vent holes of the
chassis where the chassis fan is located, replace the chassis
fan.
7. Replace the external cables, one at a time.
8. Check and reseat the CPU cooling assembly.
9. Replace the CPU cooling assembly.
10. Replace the CPU.
11. Replace the HDD data cable.
12. Replace the HDD.
13. Replace the motherboard.
1. Replace the motherboard.
2. Replace the CPU.
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5. TROUBLESHOOTING