Canon MP 700 Service Manual

Contents

4-33MultiPASS MP730/MP700 Chapter 4: Maintenance and Service4.4.2 Procedures for processing communication problemsIf the problem proves to be communication trouble, deal with it according to the followingprocedures.(1) Study the conditions at the time of trouble as closely as possible. Record or keep theitems 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, modelname, name of servicemen 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 occurred? The receive condition? etc.When visiting a user with a trouble report, a) can be known by outputting theerror protocol data (or error dump), and g) can be known by outputting the totaltransaction report (or the system 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 fortroubles with other manufacture’s.(3) Finally, process over by judging systematically all the data.If the other party’s facsimile is that of another manufacturer and there is nothingwrong with your customer’s machine, it is recommended that you ask yourcustomer to contact the facsimile user of the other party, so that the other party’sfacsimile is checked by the dealer. “Call the service station” in the flowchart(Fig.4-11) means that problems may occur with regard to the communicationcompatibility of facsimile, consult the matter with the staff in charge at theservice station. To quicken the resolving of the problem, report the informationlisted in (1) above.NOTENOTE