Brother DCP6690CW Service Manual page 135

Error Code
Symptom
(Hex)
83 Recording paper jam.
(At the start of paper
feeding, the registration
sensor is already ON.)
Probable Cause
Paper double feeding caused
by incorrect loading in the
paper tray
Bank ASSY
Paper
Correct
Wrong
Bank ASSY deformed
Bank ASSY
Paper tray
Registration sensor actuator
unhooked
Registration sensor actuator
defective
Main PCB defective
Registration sensor defective Replace the PF encoder/
4-23
Solution
Reload paper.
Replace the bank ASSY.
Set the registration sensor
actuator into place.
Replace the registration sensor
actuator.
Replace the main PCB.
registration sensor harness unit.
Confidential