Chapter 5 Troubleshooting
137
4
Release the pressure.
• Turn the negative pressure adjustment screw to the positions shown below.
Screw for adjusting positive pressure
Screw for adjusting negative pressure
Turn the adjustment screw to this
position.
5
Turn the adjustment screws to adjust the pressure.
• Adjust as you monitor the signal tower color.
• When the signal tower light is lit in green, stop turning the adjustment screw and proceed to the
next step.
(1) Turn the negative pressure adjustment screw to adjust pressure.
(2) Turn the positive pressure adjustment screw to adjust pressure.
(3) Turn the negative pressure adjustment screw once again to adjust pressure.
• Signal tower light lit in green: Correct value
• Signal tower light lit in red: Out of range Loosen the adjustment screw.
• Signal tower light lit in white: Out of range Tighten the adjustment screw.
6
Tap [Complete].
• The error is cleared. Negative pressure control begins.
The ink has leaked.
• If an ink leak occurs, turn off the main power immediately and unplug the power cable. Then,
contact your local dealer or our service office.
The light-blocking cover comes off.
If the light-blocking cover comes loose, the ink inside the tank may be exposed to light and begin to harden.
If the light-blocking cover comes loose, reattach as follows:
5
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