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Brother FAX-921 User Manual

Page 166

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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

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