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Air Specs for VJ 1608
The Heated Air Nozzle system used in conjunction with MUBIO Ink must be calibrated to the proper pressure to ensue consistent print quality. Please use the following guidelines to set up and operate you ValueJet 1608 Hybrid printer.
TECHNICAL INFORMATION BULLETIN
Release date: July 24, 2008
MAI Bulletin # 0724/001
FOR: MUTOH Authorized Resellers/Dealers
FROM: MUTOH Customer Care DepartmentThe Heated Air Nozzle system used in conjunction with MUBIO Ink must be calibrated to the proper pressure to ensue consistent print quality. Please use the following guidelines to set up and operate you ValueJet 1608 Hybrid printer.
Adjusting the Air PressureThe regulator valve on the back of the printer has a gauge that reads from 0 – 1 MPa. The specification for the air flow through the Heated Air Nozzles is .06 - .12 MPa. The needle on the gauge should be at or just below the first tick mark on the gauge.
To Increase the pressure – Pull straight up on the Knob and turn clockwise. Push the knob down to lock in place.
To Decrease the pressure – Pull straight up on the knob and turn counter-clockwise.
Push the knob down to lock in place.
As a general rule, the air pressure should be set high enough to activate the flow switch circuit and yet allow the heat elements to fully come up to the set temperature.• Misting or overspray of ink on printed images
• Horizontal banding and color shifts
• Heater temperatures will not reach the set temperature• The flow switch will not activate to supply power to the heat elements
• The ink will not dry on the substrate
• The heat elements may burn out prematurely
Air compressor Specifications and MaintenanceAn air compressor that can maintain 90 PSI @ 6 CFM is recommended. If connecting to pre-existing shop air, make sure that these requirements are met.
It is very important that the condensation be drained from the air compressor tank and regulator valve on an as needed basis. Timing depends on local shop conditions and Failing to drain these will result in moisture and water droplets spraying onto the printed
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