Part 5: Maintenance |
2. Abnormal noise
<Symptoms> • Noise during carriage drive.
•Noise during purge drive.
•Noise during pickup, paper output, and paper transport
<Cause> • Foreign object in, damage to, or misplacement of carriage drive mechanism.
•Carriage (including BJ cartridges) interfering with other parts.
•Faulty idler pulley.
•Faulty purge unit.
•Faulty paper feed motor drive transfer gear.
•Faulty sheet feeder unit.
•Insufficient lubrication (grease).
<Measure> • Noise in carriage drive
Manually move carriage left and right to check and service part by which noise is generated.
•Noise in purge drive
Remove purge unit.
Visually check purge unit.
OK?
Yes
•Check if cap lever displaced.
•Check for foreign objects.
•Check if gears deformed or damaged.
•Check if tubes are crushed (if so, the pump cam will not operate smoothly and may interfere with other gears,
No generating noise).
Check operation | • Remove the purge unit from the | |||||
of purge unit. | printer and rotate the drive gears | |||||
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| in both directions to check where | |||
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| No | |||
OK? |
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Yes |
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| Service or replace |
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| purge unit. |
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| • There may be a problem in the paper feed motor drive transmission, | |||
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Check and service platen | ||||||
paper feed motor drive | such as the gears being deformed or damaged. | |||||
transfer gear. | Dismantle and check the paper feed motor drive transmission | |||||
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| (power switching mechanism, etc.). | |||
