Accessing The Imagepress Server - Canon imagePRESS P400 Service Manual

No.
17 Service switchboard
18 Service switchboard cable
19 Chassis
20 Power supply duct
■ LED diagnostic codes
During startup, the imagePRESS Server advances through a standard diagnostic sequence.
Each diagnostic code flashes rapidly on the LED display during this sequence, until the imagePRESS Server reaches Idle.
At Idle, the LED display shows the 00 code.
If the LED display hangs on a code other than 00, one or more diagnostic tests may have failed. Look up the diagnostic code in
"If the printer does not print" on page 79

Accessing the imagePRESS Server

Always use the following procedure to disconnect the imagePRESS Server from the printer and open the unit for inspection and
service.
IMPORTANT:
Make sure that you attach an ESD grounding wrist strap and follow standard ESD (electrostatic discharge) precautions
before following this procedure. For details, see
■ Access the imagePRESS Server
1. Make sure that the imagePRESS Server is not receiving, processing, or printing any jobs.
2. Shut down the imagePRESS Server (see
3. Make sure that the printer is not in use, and power off the printer using the main power switch on the front.
Wait for the printer and the imagePRESS Server to power off completely.
4. Move the imagePRESS Server power switch to the OFF (O) position.
5. Remove all external cables from the imagePRESS Server connectors.
6. Remove the imagePRESS Server from the printer. For detailed information about removing/installing the printer, see
the installation instructions that accompany the printer (not included in this service guide).
7. Wear the antistatic strap provided in this kit.
8. Remove the two screws that secure the cover of the imagePRESS Server to the chassis (see Figure 4).
Set aside the screws so that you can replace them later.
9. Place the imagePRESS Server on a flat surface. Carefully position the imagePRESS Server so that it is resting on its
side and the internal components are facing up.
to determine the troubleshooting actions that you should take.
"Precautions" on page
"Starting, shutting down, rebooting, and restarting" on page
18
Item
3).
3. REPLACING PARTS
11).