4-27
Symptom Probable
cause Check method
Repairing method
The collection
pump
malfunctions.
The same as “The supply pump malfunctions ".
The solenoid
valve
malfunctions.
* MV3
malfunctions.
When “Open” is
executed on the
Solenoid
Valve/Pump Test
screen, no operation
sound is produced.
Replace or repair the
solenoid valve (MV3).
Refer to “4.12
Repairing method
when the circulation
route dry or sticks”.
Clogging in
the collection
filter
A lot of foreign
materials stick on
the collection filter.
Replace the collection
filter.
No
collection
The collection
route clogs.
Clogging in
the pipe or
joint
Suck is performed
when the tube
connected to the
collection filter is
removed.
Force the intensifier in
by applying pressure
with a hand pump
from the end of the
collection filter
connecting tube.
- Hand pump
specifications
Part name:
Nozzle cleaning
assembly
Part No.: 45100
The
circulation
pump
malfunctions.
The same as “The supply pump malfunctions ".
The solenoid
valve
malfunctions
* MV4
malfunctions.
When “Open” is
executed on the
Solenoid
Valve/Pump Test
screen, no operation
sound is produced.
Replace or repair the
solenoid valve (MV3).
Refer to “4.12
Repairing method
when the circulation
route dry or sticks”.
The
circulation
route clogs.
Clogging in
the pipe or
joint
The nozzle can be
flushed reversely
and MV4 can be
operated normally.
Refer to “4.12
Repairing method
when the circulation
route dry or sticks”.
A
viscometer
error
occurs.
Viscometer
failure
Except the above
Refer to “4.9
Viscometer
Replacement
Procedure”.
The
circulating
pump
malfunctions.
The same as “The supply pump malfunctions ".
Backwash
is
impossible. The solenoid
valve
malfunctions.
* MV5
malfunctions.
When “Open” is
executed on the
Solenoid
Valve/Pump Test
screen, no operation
sound is produced.
Replace or repair the
solenoid valve (MV5).
Refer to “4.12
Repairing method
when the circulation
route dry or sticks”.
The
pressure
drops
during
normal
operation.
The solenoid
valve
malfunctions.
* MV2
malfunctions.
When “Open” is
executed on the
Solenoid
Valve/Pump Test
screen, no operation
sound is produced.
Replace or repair the
solenoid valve (MV2).
Refer to “4.12
Repairing method
when the circulation
route dry or sticks”.
Summary of Contents for PXR
Page 1: ...Service Manual HITACHI Printer Model PXR Revision December 2008 Version C ...
Page 80: ...3 17 3 17 Circuit diagram of EZJ95 ...
Page 215: ...8 2 8 1 2 Circulation system diagram PXR P ...
Page 216: ...8 2 Air system diagram PXR P 8 3 ...
Page 217: ...8 4 8 3 Electrical Connection Diagram 8 3 1 Electrical Connection Diagram PXR D ...
Page 218: ...8 5 8 3 2 Electrical Connection Diagram PXR H ...
Page 219: ...8 3 3 Electrical connection diagram PXR P 8 6 ...