Brother HL-6050 Service Manual page 226

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) Try printing using the straight-through output path.
NOTE:
For no paper supplied as the cause of a malfunction, see
'MALFUNCTIONS'
F-5 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).
in this Chapter.
6-23
HL-6050/6050D/650DN SERVICE MANUAL
M-4 'No paper supplied' in 5.