Canon FAXPHONE L75 Service Manual

Also see for FAXPHONE L75: User guide Specifications Setup sheet Software user's guide

Contents

Canon FAXPHONE L75 Service Manual Manual pdf 131 page image

4-38LASER CLASS 1060P Chapter 4: Maintenance & Service3.4.2 Procedures for processing communication problemsIf the problem proves to be communication trouble, deal with it according to the following procedures.(1) Study the conditions at the time of trouble as closely as possible.Record or keep the items listed below.a) Operations at the time of trouble.Document number, transmission mode, error occurrence timing call set-up method(auto dialing etc.)b) Sample of defective picture (When receiving)c) LCD display at the time of trouble.d) Communication management report at the time of trouble.e) User’s name, telephone number (to contact), Fax number, model name.f) User’s name, of the other party, telephone number (to contact), Fax number, model name, name ofservicemen in charge.g) Frequency of trouble and error code (##100 etc.).h) Condition of the other party’s facsimile:Transmitted/received page number? Automatic or manual?Error occourred? The receive condition? etc.NOTEWhen visiting a user with a trouble report, a) can be known by outputting the error protcoldata (or error dump), and g) can be known by outputting the total transacation report (or thesystem error data list).(2) Test communication according to flowchart procedures appearing on the next page.• Carry out the tests with the actual lines on each item, verify the symptoms and record it.• In the case of trouble with another manufacturer’s facsimile, refer to the flowchart for troubles withother manufacture’s.(3) Finally, process over by judging systematically all the data.NOTEIf the other party’s facsimile is that of another manufacturer and there is nothing wrongwith your customer’s machine, it is recommended that you ask your customer to contact thefacsimile user of the other party, so that the other party’s facsimile is checked by the dealer.“Call the service station” in the flowchart(Fig.4-13) means that problems may occurwith regard to the communication compatibility of facsimile, consult the matter with thestaff in charge at the service station. To quicken the resolving of the problem, report theinformation listed in (1) above.