If Negative Pressure Abnormality Occurs - MIMAKI JFX200-2513 Operation Manual

If negative pressure abnormality occurs

By the environment or aging, the pressure controlled in this machine may exceed the control range.
If an error related to pressure abnormality occurs, perform the procedures below:
• If pressure abnormality occurs, immediately adjust the pressure with the following procedures and
return it to the normal value.
1
Select [PRESSURE ADJUST] of the maintenance menu.
(1) Press the
(2) Press
(3) Press
2
Press
3
Press the
4
Rotate the adjustment screw of the throttle valve to release it so that air can flow.
• Rotate it until the adjustment screw of the throttle valve comes to the middle position.
5
Press the
• Sensor adjustment starts.
6
Rotate the adjustment screw of the throttle valve to
adjust the pressure so that it becomes the proper
value.
• Proper value of negative pressure: -2.70kPa
Proper value of positive pressure: 15.00kPa
• As the negative pressure changes between ±0.1 and 0.2kPa, adjust so that the intermediate value may
become the target pressure.
• Adjust the throttle valve in order of "negative pressure"  "positive pressure"  "negative pressure".
key in LOCAL.
to select [MAINTENANCE] and press the
to select [PRESSURE ADJUST].
to select POSITIVE or NEGATIVE.
key.
Adjustment screw for positive pressure
Adjustment screw for negative pressure
key.
Troubleshooting
key.
PRES SURE AD J US T
: NEGA T I V E
O p e n T h r o t t l e V a l v e
COMP L E T ED [ EN T ]
Turn the adjustment
screw to this position.
* * AD J US T I NG * *
P L E A SE WA I T
PRES SURE
= - 2 . 7 0 k P a
1
1
1
1
5
5-7