Incorrect Printout - Brother mfc8440 Service Manual

CHAPTER 6 TROUBLESHOOTING
9.

INCORRECT PRINTOUT

When the data is not printed correctly as it is seen on the PC screen, follow the procedures
below in the event of a specific error.
P-1
User Check
(1) Check if the printer cable is not too long. It is recommended to use a parallel cable of less than 2
meters (6.6 feet) in length.
(2) Check that the printer cable is not damaged or broken. Check also that the printer cable is
connected to the correct interface connectors of both the machine and PC.
(3) If an interface switching device is used, remove it and connect the computer directly to the
machine and try again.
(4) Check that the appropriate printer driver is selected as 'Set as Default'. Check also that the
correct print port is set for the selected printer driver.
(5) Check that the machine is not connected to the same port which is also connected to a mass
storage device or scanner. Remove all other devices and connect the port to the machine only.
Turn off the printer status monitor in the device options tab in the printer driver.
(6) If the print port is set as an ECP port, change it to a normal port.
(7) Try printing the test page referring to
(8) Try resetting the factory settings.
Possible cause
Failure inside
the machine
The machine prints unexpectedly or it prints garbage.
Step
1 Is it possible to print the test
page with the method of
'Test Pattern 1' in Chapter
3.5 'Test Pattern 1' in Chapter
Check Result
3.5
7?
6-54
7.
Remedy
No Identify the error type, then
refer to the specified section of
this chapter.