Hitachi PXR, Service Manual

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2.3.5-2 Model PXR-H level sensor confirmation
The level sensor for the PXR-H is different from the one for the model PXR-D/PXR-,P.
1 Construction of level sensor
Dedicated viscosity control is performed by selecting levels depending on ambient
temperature with the model PXR-H.
2 Liquid level detecting condition confirmation
Ink levels in the main ink tank are displayed as follows.
Actual level Stop state Stand-by or Ready
A 1 2 3 1 2 3
B 1 2 3 1 2 3
C 1 2 3 1 2 3
D
1 2 3 1 2 3
*1) :Detected :Undetected
*2) A target level is indicated while Stand-by or Ready state.
Level 3
Overflow
GND
10mm
5mm
Level 2
Level 1
White
Black
White
Black
Level 2
White
Level 3
Overflow
GND
Bind
Level 1
C
A
D
1 2 3
B
Back
Status:XXXXXXXXX 2011.07.07 12:45
Proc. status: In progress.
<Main ink tank>
Too high [undetected]
Level [ 1 2 3
]
XXXXXXXXX XXXXXXXXX
XXXXXXXXX XXXXXXXXX
XXXXXXXXX XXXXXXXXX
Level sensor
confirmation
XXXXXXXXX
XXXXXXXXX
<Ink reservoir>
Too low
<Makeup ink reservoir>
Too low
[ detected ] [ detected ]
Adjust./oper. checkout