Globalis International
PR9 SERVICE MANUAL-VER1.1 Page 87 of 112
4. FAILURE DIAGNOSE AND PREVENTIVE
MAINTENANCE
4.1. MAINTENANCE
The following describes maintenance method for field engineers.
4.1.1. FAULT DETECTION ANALYSIS
The user who detected product malfunction can give information regarding
the operating mode the printer was in when the malfunction occurred and
the related error indications that were provided. The repetition of the fault,
when possible, can help with its identification. For fault diagnosis purposes,
it is important to establish whether the fault is repetitive or random.
4.1.2. ANALYSIS OF THE OPERATING CONDITIONS
WORKING ENVIRONMENT
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An environment that is too cold, hot or humid could be the cause of
certain malfunctions. The machine must not be positioned near air
conditioning system vents or exposed to direct sun light. Make sure that
the machine's internal ventilation slots are not blocked, especially if the
printer is installed in furniture.
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Forms, documents or office equipment located.
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Make sure that the accessories installed in the machine are originals
and in good condition.
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Check that the documents inserted in the printer comply with the
machine specifications and are in good condition.
PRINTER OPERATING CONDITIONL:
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Check that the internal parts of the machine have no dirt deposited or
residue of paper or ink that could interfere with the performance of the
printer's different components.
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Make sure there is no internal damage caused by the insertion of
documents with metal clips, staples, and pins or similar.
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Ensure that the parts specified are correctly lubricated.
4.1.3. IDENTIFYING THE MALFUNCTION
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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.)
