911–963 errors
911–916 error messages
Error code Description Action
911.72 Finisher abnormality was detected when controlling
the exit roller pressure.
See
“Option controller board error service check”
on page 191.
911.225 Finisher abnormality was detected when driving the
motors.
916.165 Destination abnormality was detected. See
“Engine and controller board error service
check” on page 190.
919 error messages
Error code Description Action
919.52 Engine communication error was detected. See
“Engine and controller board error service
check” on page 190.
919.208 Engine backup media access error was detected.
919.212 K DR backup media access error was detected.
919.22 K TB backup media access error was detected.
919.224 Engine backup data discord was detected.
919.225 Engine board exchange abnormality was detected.
919.226 Engine flash ROM writing error was detected.
919.227 Engine flash ROM device abnormality was detected.
919.228 Engine firmware download communication error was
detected.
919.24 Engine control abnormality was detected.
Engine and controller board error service check
Action Yes No
Step 1
a Reset the printer.
b Make sure that the cables are properly connected to the engine
controller board and controller board.
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
Check the engine controller board pins for damage, and replace if
necessary. See
“Engine controller board removal” on page 353.
Does the problem remain?
Go to step 3. The problem is solved.
7421
Diagnostic information
190
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