Hitachi IJ UX Service Manual page 272

6.4.17 Inside Temperature Too High
●The Ink recovery behavior of Acetone-based ink degrades as the inside temperature
gets high.
※ Both MEK-based ink and Ethanol-based ink have similar characteristics in which the
ink recovery behavior degrades as the inside temperature gets high.
However, particular attention shall be given to Acetone-based ink.
●Follow the troubleshoot as described below to restore the situation
●When you resume the operation, confirm the recovery status first.
Inside Temperature Too High
Is the ambient temperature 35 degree C
or higher?
Does the alarm "Cooling Fan Warning occur?
Replace air filter and R air filter.
Is the problem fixed?
Is enough space secured for the printer installation?
Refer to "6.2.22 Inside Temperature Sensor Fault"
No
Lower the ambient temperature using an air
conditioner, etc.
No
No
Refer to "6.4.15 Cooling Fan Warning"
No
Yes
No
Yes
Refer to "2 INSTALLING PREPCAUTIONS" in
Technical Manual and follow the described procedures
to secure enough space for the maintenance area.
No
6-54
Yes
Is the problem fixed?
Yes
Is the problem fixed?
No
Is the problem fixed?
Yes
Yes
Yes
Resume the operation