Canon FAX L1000 Service Manual page 318

FAX-L1000 Chapter 4: Maintenance and Service
Vertical black band in images
Solution: (1) Clean the white sheet of the middle reader frame unit.
f) No sound from the speaker
Solution: (1) Check the speaker unit and SCNT board (J10) connections.
(2) Clean the scanning glass.
(3) Set SSSW #1 SW06 Bits 0 and 1 to "1", as explained in the separate
document G3 Facsimile Service Data Handbook (Rev. 0) .
(4) Check the contact sensor and SCNT board (J3) connections.
(5) Replace the contact sensor.
(2) Replace the speaker unit.
(3) Replace the SCNT board.
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