Brother 1270N - Manual (Page 159)

CHAPTER 6 TROUBLESHOOTING
6-37
I-18 Gray background
Possible cause Step Check Result Remedy
Print paper 1 Does the paper being used
meet the paper specification
(weight, etc.). No Recommend to use the specified
types of paper.
Yes Recommend to change to
freshly unpacked paper.
Toner sensing
failure
(printer side) 2 Is Ready LED on even after
removing the drum unit and
toner cartridge? Yes Toner sensor failure. Clean the
toner sensor and check the
toner sensor connection.
Toner cartridge
failure 3 Is the problem solved after
replacing the toner cartridge? Yes Replace the toner cartridge.
Drum unit failure 4 Is the problem solved after
replacing the drum unit? Yes Replace the drum unit.
No Replace the high-voltage power
supply PCB.
NOTE:
The following cases increase the possibility of this problem.
•
Acid paper is being used.
•
The drum unit is at the end of its life.
•
There is dust or paper powder.
I-19 Hollow print
Possible cause Step Check Result Remedy
Print paper 1 Is thick paper of more than
43lb being used or extremely
rough surface paper? Yes Recommend to use the specified
types of paper.
No Refer and compare with I-15 .
User Check
(1) Check the paper used meets the recommended paper specifications.
(2) Select the ‘Thick paper mode’ in the printer driver, or use thinner paper than you
are currently using.
(3) Check the printer’s environment, conditions such as high humidity may cause this
situation to occur.