Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 52 / 987

No. Functions and specifications
J6000 Not used
J6001 Image Data Analyzer PCB
J6003 HDD I/F (Serial)
J6004 For HDD power supply
J6005 SRAM PCB
J9000 To the Laser Unit
Startup Sequence
Power Supply Switch ON
Standby screen display
Power Supply
Switch ON
Initializing process of hardware
Starting BIOS
[Main Controller PCB]
Starting IPL (boot program)
and OS system software
[Flash PCB]
Starting application
[Hard disk]
Standby
screen display
Screen sequence and internal processing sequence
NOTE:
To achieve faster startup, the progress bar and the active PCB are not synchronized.
For this reason, the progress bar cannot be utilized for troubleshooting.
For information about troubleshooting, refer to "Related error codes (major error codes)" shown below.
Related error codes (major error codes):
• E602-0001: HDD detection error
• E614-0001: Flash PCB detection error
• E614-0002: Error in file system on the Flash PCB
• E614-4001: Error in file system on the Flash PCB
• E614-4002: Error in file system on the Flash PCB
• E748-2010: Flash PCB error / HDD error
NOTE:
When the following errors occur, the system of the host machine has not been started normally. Therefore the error code is not
recorded in the log.
E602-XX01, E614-XX01, E748-2010
2. Technology
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