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© 2013 MIMAKI ENGINEERING CO., LTD.        D202613-10-12132013

JFX500 / UJV500 Series

If negative pressure abnormality occurs

If an error related to 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 

 key.

(2) Press 

 to select [MAINTENANCE] and press the 

 key.

(3) Press 

 to select [PRESSURE ADJUST].

2. Press 

 to select POSITIVE or NEGATIVE.

Adjust the throttle valve in order of “negative pressure” 

 “positive pressure” 

“negative pressure”.

3. Press the 

 key.

4. Remove the cover under the left maintenance cover.

(UJV500)

5. Rotate the adjustment screw of the throttle valve to

release it so that air can flow.

Loosen the fixing screws on the throttle valve, and turn the adjustment
screw until it reaches the midpoint.

< L O C A L >

N E G A T I V E P R E S S U R E

< L O C A L >

P O S I T I V E P R E S S U R E

E R R O R 6 1 e
N E G A T I V E P .

O V E R

PRESSURE AD J US T

: NEGA T I VE

Op e n T h r o t t l e V a l v e
COMP L E T ED

[ ENT ]

Turn the adjustment 
screw to this position.

200

250

160

170

180

190

210

220

230

240

260

270

50

70

100

150

10

20

30

40

60

80

90

110

120

130

140

Adjustment screw

Positive pressure

Negative Pressure

Adjustment screw

Adjustment screw for positive pressure

UJV500:

JFX500:

Adjusting negative pressure / positive pressure

Negative pressure : Turn the adjustment screw clockwise to increase negative pressure.
Positive pressure : Turn the adjustment screw clockwise to increase positive pressure.

•When adjustment is complete, carefully tighten the fixing screws.

Fixing screw

Fixing screw

Adjustment screw for negative pressure

Fixing screw

Fixing screw

IT

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