Brother International FAX-1010 Service Manual - Page 164

I 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 (1) Completely blank At the scanner At the recorder Check: • Main PCB • 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 (3) All black At the scanner At the recorder • CIS unit • Recording head • 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 (5) Light or dark At the scanner At the recorder • CIS unit • Recording head • CIS unit • Main PCB • Compression springs beneath the recording head