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10. Maintenance
Print Head Maintenance
Print Head is an important and delicate part of the printer. Thus, it must be handled with care to ensure the long
life of the machine. Pay attention to potential problems caused by environment, heat and moisture, collision,
cleaning etc. For print head maintenance, the following instructions should be taken care:
•
Perform the nozzle test daily 2-3 times before printing to monitor the blockage in the head nozzles.
•
Use the print head in specified environmental conditions viz. Temperature
20-25 degree Celsius with
humidity 55%,
dust-free and exhaust condition.
•
Avoid ink spilling on the print head and head cables and if there is ink in the print head, immediately
inform engineer
•
Avoid head damage due to media and Print Head confliction.
•
Color bar should be ON.
•
Don’t use expiry ink and store the ink at favorable e
nvironment.
•
Prevent the object or human body with static contact to the print head.
•
Print head nozzles should be kept clean, dust free, and also prevent from oxidation.
Equipment Cleaning
•
Turn OFF all power switches to machine while cleaning the machine equipment.
•
Avoid splashing liquid and dropping on/in the circuit board or the power line.
•
Careful while cleaning the sensitive devices, like sensors and raster.
•
Use clean cloth to clean up the dust and residual oil on the tracks.
•
Should keep water, ink, oil away from the Encoder scale.
Power System Maintenance
•
Ground wire should always be checked whether loose or disconnection.
Control System Maintenance
Static discharge
•
The operator must discharge his own electrostatic charge before touching the electronic components
and parts.
•
Don’t touch the pin connectors and welded joints on circuit boards, integrated circuit boards.
Ink Supply System Maintenance
•
Check for leakage between joint & ink tank and joint & valve settings.
•
Check for damages on ink tubes.
•
Check Ink impurities in the ink tanks as this will affect the ink supplying.
