Daily Maintenance of UV flatbed printer Common Faults and Solutions
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Q
1. UV lamp is off
APossible reasons: defective UV lamp; UV lamps’ switch has problems; the internal between on and off of the lamp is too short; the power cable doesn’t connect well. Solutions: change the UV lamp, examine whether the UV lamp is defective, It will wait 3 ~ 5 minute before restarting again; this is circuit protection. Examine whether all the power cables are well connected to the UV lamp system. -
Q
2. Emergency configuration can’t be turned on and off normally
APossible reasons: defective printhead controlling board, didn’t start the emergency switch on the computer; emergency configuration is not good. Solutions: exchange print head controlling board, check the computer settings and make sure the UV lamp controlling is on, exchange emergency configuration. -
Q
3. Water tank keeps buzzing
APossible reasons: print head heating system doesn’t have enough water circulation Solutions: fill water into the water tank. -
Q
4. White ink does not come out
APossible reasons: In the software settings, white ink is set at ‘none’, print head tube has air inside, white ink cycling switch was not pressed before printing Solutions: check whether the software setting for the white ink is correct remove the air in the print head tube with extended tube and syringe Circulate the white ink between the cartridge and sub ink tank with white ink cycling system (5 ~ 10 hours before print). -
Q
5. Ink does not dry?
APossible reasons: Setting of the UV lamp mode is incorrect; the UV lamp’s brightness is not high enough, broken UV lamp, shutter lamp is off Solutions: check the Setting of the UV lamp mode; press ‘high’ to increase the UV lamp’s brightness, exchange the broken UV lamp; check the shutter lamp and make sure it works properly. -
Q
6. Ink droplet can be jet to the right position
APossible reasons: static electricity due to different media; ion fan is off. Solutions: pre-treat the media by the ion fan several seconds, keep on the ion fan.