Brother MFC-8460N Servise Manual page 341

(4) Page skew
User Check
(1) Check that the paper or other media is loaded into the paper tray correctly and that the
paper guides are not too tight or too loose against the paper stack.
(2) If using the manual feed slot, check how to load paper into the manual feed slot correctly.
(3) The paper tray may be too full. Load paper below
(4) Check the paper used meets the recommended paper specifications. (Refer to
Specifications" in Chapter
(5) Check that the levers on the left and right hand sides for the nip action in the fuser unit are
nipped equally.
(5) Curl or Wave
User Check
(1) Check the paper used meets the recommended paper specifications. Both high
temperature and humidity will cause paper to curl.
(2) If the machine is used infrequently, the paper may have sat for too long in the paper tray.
Turn over the stack of paper in the paper tray. Also, try rotating the paper 180° in the
paper tray.
(3) Check that the paper used meets the Media Type setting in the driver.
NOTE: For no paper supplied as the cause of a malfunction, see
'9.2.4.3 Malfunctions' in this Chapter.
(6) Prints only single side of the paper when duplex-printing
User Check
Check the size of the paper used meets the recommended paper specifications (A4 or Letter,
Legal).
(7) Paper pickup
Possible cause Step
Disconnection 1
of the pickup
solenoid
harness
Pickup 2
solenoid
harness failure
Pressure plate 3
gear damage
Clutch gear 4
damage
2.)
Check
Is the harness of the pickup
solenoid disconnected?
Does the harness of the
pickup solenoid work
correctly?
Is the pressure plate gear
damaged?
Is the clutch gear damaged?
9-17
mark in depth.
'(4) No paper supplied' in
Result Remedy
Yes Reconnect the harness.
No Replace the harness of the
pickup solenoid.
Yes Replace the pressure plate gear.
Yes Replace the gear unit.
2.1.2 "Paper
Confidential