Chapter 5 Troubles and Countermeasures
5-2 Other Troubles
When the troubles listed below occur during the printing, first follow the countermeasures given below and
if
the
trouble is not corrected then call your service technician for after sales service.
1) The printing image becomes texture grained or white out.
Cause
Improper plate pressure and impression pressure
(Checking procedures • Maintenance Edition- 21)
I Improper ink roller pressure
I Poor ink transfer because
of
high ink tack
I Excess emulsification
of
the ink
Maintenance Edition - 46
Countermeasure
1.
Check the plate and blanket packing thickness.
( • Introduction Edition - 7)
2.
Check the plate pressure adjustment scale and
impression pressure adjustment dial setting.
( • Operation Edition-
16
and 43)
3.
Replace the blanket.
(When the blanket
is
partially smashed.)
( • Maintenance Edition - 37)
Adjust the ink roller pressure.
( • Maintenance Edition- 10)
I Add reducer into the ink
to
lower the tack.
1.
Check the supply volume
of
the dampening
solution.
2.
Clean the ink rollers. (When there is excessive
ink emulsification on the rollers,
it
is hard to
control. Clean the rollers.)
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