Canon iR C6800 Series Portable Manual page 150

Code Cause/Particulars of detection
3000 There is a UFR board error.
At start-up, the UFR board is not
recognized.
3001 At start-up, initialization of the UFR
fails.
3002 Initialization of Rambus fails.
3015 While a job is being processed, there is
no video data in the chip of the main
controller PCB (main) although the
software is operating without a
problem.
E732 There is an error in reader communication.
0001
9999 Although a printer model, the machine
is identified as a reader unit at start-up.
(A copier model is started up as a
printer model when the RAM is
initialized.)
E733 There is a printer communication error.
0000 There is a printer communication error.
At start-up, the printer is not detected.
0001 There is a DDI-P communication error.
E740 There is an Ethernet board error.
Remarks
Turn off the main power, and check the
connection of the UFR board; then, turn
on the main power.
If the machine does not reset, replace
the UFR board or the main controller
PCB.
Turn off the main power, and check the
connection of the UFR board; then, turn
on the main power.
If the machine fails to ret, replace the
UFR board or the main control PCB.
Turn off and then on the main power.
If the machine fails to start up, replace
the main controller PCB.
Turn off the main power, and check the
connectors to the reader, and check the
power supply of the reader; then, turn
on the main power.
Turn off and then on the main power.
Turn off the main power, and check the
connectors to the DC controller PCB
and the main controller PCB, and check
the power supply of the printer; then,
turn on the main power.
Turn off the main power, and check the
connectors to the DC control PCB and
the main controller PCB, and check the
power supply of the printer; then, turn
on the main power.