Canon ImageRunner iR8500 Series, Service Manual, Page: 735 / 1122

Chapter 15
15-7
Inspected by Canon Inc.
Symptom Title
Locking up/Unable to boot up: Machine locking up at startup with 'Start up. Please wait.' message
Symptom Cause
As a result of inspection, the following were found:
- The BOOT ROM is not securely fitted.
- The Main controller PCB is faulty.
Spot Disposal
1. Check whether the machine can recover by removing/inserting the BOOT ROM.
2. Check the main controller PCB for poor contact of the connectors and pinched wires of the cables. If there is no problem, replace the main
controller PCB (FG6-7278) with a new one.
Image1 Main Controller PCB, BOOT ROM
F-15-1
15.2.3.2.2 Locking up: Control panel locking up with 'printing' message
0002-2876
iR8500 / iR7200 / iR105 / iR85
Symptom
Locking up: Control panel locking up with 'printing' message
Cause
As a result of inspection, the connectors between the LVDS PCB in the controller box ass'y and the main controller PCB are found to be fitted
incompletely.
Field Remedy
Check the LVDS PCB (FG6-7266) and the main controller PCB (FG6-7278) for poor contact of the connectors and pinched wires of the cables.
15.2.3.2.3 Expansion of Universal Send Expansion Board-A1
0002-6408
iR8500 / iR7200 / iR105 / iR85
Case in the field
Symptom
Expansion of Universal Send Expansion Board-A1
Cause
When attempting to install the Universal Send Expansion Board-A1, the firmware of the host machine should be Ver.50.49 and later.
Field Remedy
The following are upgrading procedures of the firmware of the host machine with Service Support Tool Ver.1.51 and later.
1. Upgrade BOOTROM.
2. Upgrade the system software to Ver.50.49 and later.
3. Upgrade RUL/Language.