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621 errors
621 error messages
Error code Description
621.01
The printer registers a 621.01 fuser error which
is due to the temperature not being reached
during the printing process.
647 errors
647 error messages
Error code Description
647.80
The motor (deskew) did not turn on.
647.81
The motor (deskew) did not turn off.
647.82
The motor (deskew) speed did not ramp up to the
required level.
647.83
The motor (deskew) stalled.
647.84
The motor (deskew) ran too slow.
647.85
The motor (deskew) ran too fast.
647.86
The motor (deskew) did not run at the correct
timing.
649 errors
649 error messages
Error code Description
649.80
The motor (redrive) did not turn on.
649.81
The motor (redrive) did not turn off.
649.82
The motor (redrive) speed did not ramp up to the
required level.
649.83
The motor (redrive) stalled.
649.84
The motor (redrive) ran too slow.
649.85
The motor (redrive) ran too fast.
649.86
The motor (redrive) did not run at the correct
timing.
Diagnostics and troubleshooting
229
Action
"Fuser service check" on page
See
Action
See
"Motor (deskew) service check" on
page
213.
Action
See
"Motor (output) service check" on
page
214.
5028
203.
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