Canon FAX-L260i Service Manual page 148

FAX-L260i Chapter 3: Maintenance & Service
• The reading image is abnormal. (Evaluation criteria: Check the copy image's faults.)
Nothing is printed.
(1) Check the connection between the contact sensor and SCNT board (J6).
(2) Replace the contact sensor unit.
(3) Replace the SCNT board.
The image has vertical stripes.
(1) Clean the contact sensor's scanning glass.
(2) Check the connection between the contact sensor and SCNT board (J6).
(3) Replace the contact sensor unit.
The image has thick vertical stripes.
(1) Clean the contact sensor's scanning glass.
(2) Check the connection between the contact sensor and SCNT board (J6).
(3) Replace the contact sensor unit.
4.3.4 Communication problems
• D-channel connection error (Service error code "##1001~##1131")
(1) Set #4B ISDN BASIC Bitswitch SW03 bit2 to "1".
(2) Set #4B ISDN BASIC Bitswitch SW03 bit4 to "1".
(3) Set #4B ISDN BASIC Bitswitch SW03 bit5 to "0".
(4) Set #4B ISDN BASIC Bitswitch SW08 bit2 to "0".
(5) Set #4B ISDN BASIC Bitswitch SW01 bit4 to "1" and #4B ISDN BASIC Numeric No.19 to "3".
(6) Set #4B ISDN BASIC Bitswitch SW06 bit0 to "1".
• Cannot perform G4 communication (After a G4 call, fall back to G3. Communication will
complete normally.)
(1) Confirm whether or not the receiving side is using G4FAX.
(2) Set #4B ISDN BASIC Bitswitch SW03 bit2 to "1".
(3) Set #4B ISDN BASIC Bitswitch SW03 bit4 to "1".
• Cannot receive
(1) When SYSTEM SETTINGS "CHECK RX ID" is set to "ON", confirm whether the telephone num-
ber in the USER SETTINGS "ENTER ISDN NO." contract is registered or not.
(2) When the machine is included in the same bus, and multiple terminals are connected, make sure that the
telephone number in the USER SETTINGS "ENTER ISDN NO." contract is not duplicated in other
terminals.
(3) When SYSTEM SETTINGS "RX RESTRICTION" is set to "ON", register the telephone munber of
the one-touch dial or coded dial contract.
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