Brother DCP-6690CW, Руководство по обслуживанию, Страница: 136 / 506

4-24 Confidential
Error Code
(Hex)
Symptom Probable Cause Solution
84 Recording paper jam.
(The registration sensor
sticks to ON after
completion of paper
ejection operation.) Foreign materials in the
paper path Remove foreign materials.
Registration sensor actuator
caught on the surrounding
parts Correct the surrounding parts
on which the actuator caught.
Registration sensor actuator
defective Replace the registration sensor
actuator.
Registration sensor defective Replace the PF encoder/
registration sensor harness unit.
PF timing belt come off Set the PF timing belt into
place.
Paper feed motor defective Replace the engine unit.
The paper ejection roller
does not rotate correctly
Main PCB defective Replace the main PCB.
85-87 Not used.
88 Recording paper jam.
(Even after paper
pulling-in operation, the
registration sensor is still
OFF.) Outer back cover not closed
correctly Close the outer back cover
correctly.
Registration sensor harness
not connected correctly Correct the connection.
Bank ASSY deformed Replace the bank ASSY.
Paper pull-in roller Assy
defective Replace the paper pull-in roller
Assy
Mode switching lever (at the
right end of CR guide rail)
not sliding smoothly Clean the mode switching
lever.
At the ends of the paper feed
roller shaft, any gear(s)
damaged Replace the engine unit.
Paper feed motor defective
Main PCB defective Replace the main PCB.
Bank ASSY
Paper tray