Brother MFC Series Service Manual page 230

(6) Upon completion of scanning, the machine displays the "Write Head Calib" on the
LCD, creates the head calibration data, and writes it into the flash ROM on the main
PCB.
Upon completion of writing, the machine displays "Complete". Press [Stop] or [X] to
return to the initial stage of the maintenance mode.
Note If an error occurs, the machine beeps and displays "Error No **". Press [Stop] or
[X] to return to the initial stage of the maintenance mode and then recover the machine
from the error state, following the table given below. Then go back to step (4).
Error code
01 Failed to detect the external frame • Clean the document cover glass.
02 Internal image inclined
03 Failed to detect position
04 Failed to write head calibration
data
05 The uneven printing correction
function for upper and lower ends
of the nozzle is disabled with
Maintenance 88
06 Cannot get data due to memory
full
07 The document scanner unit is
open
09 Scanning errors other than the
above
Error Contents
5-8
Do the following
• Reset the print pattern so that the
mark is aligned with the left rear of
the document cover without tilt.
• Check that there is no pin missing.
• Go back to step (2) and print out the
print pattern for creating head
calibration data again.
• Clean the document cover glass.
• Reset the print pattern so that the
mark is aligned with the left rear of
the document cover without tilt.
• Check that there is no pin missing.
• Restart the machine and perform the
procedure from the beginning again.
• Replace the main PCB.
• Set selector 1 on AMS05 for uneven
printing correction for upper and
lower ends of the nozzle to "0"
(Correction ON) in "1.4.32
Assurance Mode Switch Setting
(AMS) (Maintenance mode 88)"
this chapter.
• Delete fax data and other data
stored in the memory.
• Replace the main PCB ASSY.
• Close the document scanner unit.
• Reconnect the document scanner
sensor harness.
• Replace the document scanner
sensor.
• Replace the document scanner if the
boss that presses the document
scanner sensor is broken.
• Replace the main PCB ASSY.
• Use "1.4.15 Acquisition of White/
Black Level Data and CIS Scanner
Area Setting (Maintenance mode
55)" in this chapter.
of
Confidential