Canon PIXMA MP530, Service Manual, Page: 21 / 91

For the best solution to your fax trouble, follow the flowchart below to determine whether it is a communication trouble or not.
(2) Handling of a communication trouble
Follow the procedure below to handle communication troubles.
1) Investigate the condition in which the trouble occurred.
a. User operation at trouble occurrence
- Number of sheets of the document
- Transmission mode
- Timing when the error occurred (e.g. before or after transmission)
- Other settings (e. g. such as automatic dialing)
b. Sample print of a faulty fax reception
c. Message on the LCD at trouble occurrence
d. Activity report at trouble occurrence
e. User name, telephone number, fax number, and model name
f. The other party's user name, telephone number, fax number, model name, and service engineer name
g. Frequency and error type of the trouble
h. The other party's fax condition
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