Y100250-45-2
5.1.3 IDENTIFYING THE MALFUNCTION
Carefully examine all the information collected (from the Operator, printer error signals, analysis of the
documents where the fault has occurred, repetition of the error when the machine is powered on, etc.)
to recognize and identify the machine malfunction to be corrected.
At times a malfunction is generated by more than one cause: it is important in such cases to isolate the
faults and deal with them one at a time.
5.1.4 FINDING THE CAUSE
Using experience togethe with the information given in this section as a guide, take a logical path to
find the fault, starting from the most probable cause throught to the most remote possibility until faulty
part is found.
5.1.5 SOLVING THE PROBLEM
Repair the machine so that it correctly resumes to operate as normal.
The information provided in Chapters 6, 7, 8 and 9 can be of help.
5.1.6 TESTING THE MACHINE
When the repair is completed, give the machine a general cleaning and then run a complete test on
the machine (section 3.5), possibly with the Operator present, to make sure that the malfunction has
been corrected and that no others have occurred in the mean time.
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