10 ] Adjustments/Data In The Memories - Brother MFC640CW Service Manual

[ 10 ] Adjustments/data in the memories

Adjustment/data
setting not
performed
Proper
customizing code
(in the EEPROM)
ID code
Head property
data (in the
EEPROM)
Correction of head
positioning error
Updating of the
paper feeding
correction value
for the paper feed
roller/paper
ejection roller
Setting of the CIS
scanner area
Result
- The machine will not work correctly
at the shipping destination.
- The machine will not be able to be
identified by the PC connected to it
when more than one machine is
connected to that PC via USB.
- The print quality will deteriorate.
- Any of the following images may
appear on the printout of sent,
copied, or scanned data:
- Any of the following images may
appear on the printout of sent,
copied, or scanned data:
- The white and black level data will
not be compensated properly.
- The scanning center position will not
be centered.
9 -4 7
Refer to:
- Chapter 8,
Section 8.4.18
- Appendix 3
- Chapter 6,
Section 6.3, [ 7 ]
- Chapter 6,
Section 6.2, [ 1 ]
- Chapter 8,
Section 8.4.16
- Chapter 6,
Section 6.2, [ 3 ]
- Chapter 6,
Section 6.2, [ 4 ]
- Chapter 8,
Section 8.4.11
- Chapter 8,
Section 8.4.10
Confidential
Error
codes
B3, B4,
B5, B6