Brother International MFC 8500 Service Manual - Page 154
[ 3 ] Communications related, [ 4 ] Paper/document feeding related, nor FAX: NO. & START
UPC - 012502603832
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Page 154 highlights
[ 3 ] Communications related Trouble (1) No tone is transmitted. l Main PCB l NCU PCB Check: [ 4 ] Paper/document feeding related Trouble (1) Neither "COPY: PRESS COPY" nor "FAX: NO. & START" message appears although documents are set. (2) Document not fed. (3) Document double feeding (4) Recording paper not fed. (5) Recording paper double feeding Check: l Sensors by using the maintenance-mode function code 32. (Refer to Chapter V, Subsection 3.9.) l Document front sensor actuator and document rear sensor actuator l Main PCB l ADF and its related sections l Scanner motor and its harness l Document feed roller and its related gears l Main PCB l ADF parts l Nip-related parts l Paper loaded in the paper cassette(s) l Paper cassette(s) l Drum unit l Heat-fixing unit l Drive gear ASSY l Engine PCB l Main PCB l Separation pad on the paper cassette(s) VI - 20