MUTOH ValueJet VJ-1604, Maintenance Manual

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VJ-1604 Maintenance Manual 5 Self-Diagnosis Mode
5-25 Rev.-00
5.7.1 Head Nozzle Check Menu
In this menu, you can check if the head nozzles that has been charged can discharge ink correctly by printing
a sample printing. To check the head nozzle, follow the steps below.
1. Set media as necessary.
2. After media is set, the machine prints out head nozzle check patterns in the following modes.
• 1 pass, Uni-D
• PF: 360 dpi
• CR: 360 dpi
3. Check the printed head nozzle check patterns for the following points.
• Ink nozzle discharge amount (omission, discontinuity, meandering)
• Satellite
• T fence
• Nozzle alignment in vertical direction
• Nozzle alignment in horizontal direction
Nozzle check: Prints out the pattern in the order of A to H
Nozzle alignment in vertical direction: Prints out the pattern in the order of A to H
Nozzle alignment in horizontal direction (CW direction): Prints out the pattern in the order of A to H
Nozzle alignment in horizontal direction (CCW direction): Prints out the pattern in the order of A to H