Brother Facsimile Equipment MFC7420 User Manual
Page 205
Confidential
9-17
F-3 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 mark in depth.
(4) Check the paper used meets the recommended paper specifications. (Refer to
F-4
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 printer 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
‘MALFUNCTIONS’ in this Chapter.
F-5 Paper
pickup
Possible cause
Step
Check
Result
Remedy
Disconnection
of the pickup
solenoid
harness
1
Is the harness of the pickup
solenoid disconnected?
Yes Reconnect the harness.
Pickup
solenoid
harness failure
2
Does the harness of the
pickup solenoid work
correctly?
No
Replace the harness of the
pickup solenoid.
Pressure plate
gear damage
3
Is the pressure plate gear
damaged?
Yes Replace the pressure plate gear.
Clutch gear
damage
4
Is the clutch gear damaged?
Yes Replace the gear unit.