Brother FAX-921 - Manual (Page 166)

VI - 15
[ 5 ] Print-image related
If the received or sent image has any problem, first make a copy with the facsimile equipment.
If the copied image is normal, the problem may be due to the remote terminal; if it is abnormal,
proceed to the following checks:
Trouble Check:
(1) Completely blank
At the scanner
At the recorder
• Main PCB
• CIS unit
• CIS harness
• Main-head harness and head-power harness
• Compression springs beneath the recording head
• Recording head
• Main PCB
(2) White vertical streaks
At the scanner
At the recorder
• CIS unit
• Recording head
(3) All black
At the scanner
At the recorder
• CIS harness
• CIS unit
• Main PCB
• Main-head harness and head-power harness
• Recording head
• Main PCB
(4) Black vertical streaks
At the scanner
At the recorder
• CIS unit
• Recording head
(5) Light or dark
At the scanner
At the recorder
• CIS unit
• Main PCB
• Compression springs beneath the recording head
• Position of the head adjuster
(6) Faulty image registration
At the scanner
At the recorder
• CIS harness
• CIS unit
• Main PCB
• Main-head harness and head-power harness
• Main PCB
• Recording head