6 ] Pc-Driven Printing Problems - Brother MFC5490CN Service Manual

Problem
(14)Characters having shadows
(ghost)
VWXYZ
(15)Stains in the center of, or over
the whole page of, the
recording paper

[ 6 ] PC-driven printing problems

Problem
(1) PC-driven printing is
impossible.
• Adjust the paper feeding correction values of the paper feed roller and
paper ejection roller with Function code 58 in the maintenance mode.
(Refer to Chapter 7, Section 7.2, [ 5
• Correct the positioning error of the head/carriage unit with Function
code 63 in the maintenance mode. (Refer to
[ 4 ].)
• Replace the PF encoder disk.
• Replace the PF encoder PCB.
• Use the specified type of paper. (Do not use short grain paper.)
• Enable the "secure paper feed mode" referring to the USER'S GUIDE.
• Interface with the host computer
• PC interface cable
• Main PCB
• USB interface
• Network interface
4-40
Action to be taken
].)
Chapter 7, Section 7.2,
Action to be taken
Confidential