Hitachi PB - High Ink Concentration; Low Ink Concentration

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6.4.8 High Ink Concentration
6.4.9 Low Ink Concentration
High Ink
Concentration
Resume the
operation.
Is the printing quality
normal?
Y
es
No
Check the printing quality.
Replace the ink in the ink tank.
Replace the ink.
Has the viscosity increased?
Y
es
No
Operate the printer for an hour
or so, and check the ink
viscosity.
Low Ink
Concentration
Resume the
operation.
Is the printing quality
normal?
Y
es
No
Check the printing quality.
Replace the ink in the ink tank.
Replace the ink.
Has the viscosity decreased?
Y
es
No
Operate the printer for an hour
or so, and check the ink
viscosity.