EBS Ink-Jet Systems EBS-6200, User Manual, Page: 109 / 124

EBS-6200
Printer User's Manual
Chapter 6 - Service and Maintenance
#1.0
107
20091020
6.3.5. Pump does
PROBLEM
not produce negative pressure
REMEDY
No nominal negative
press
made
The
displ
al:
VACU .
´
Ai i
1000 h eration (see
Replacing Air Filter
).
´
No le or completely – the nozzle should be
clea e
gg
.
´
Vacuu
ure setting can be
em. in the ink syst
ge is following messa
ayed on the termin
UM PUMP TIME-OUT
r f lter heavily contaminated. It needs replacing every
ours of op
zz choked partially
r d – see section
Clo ed nozzle - cleaning the nozzle
m pump worn out – the pump should be replaced.
6.3.6 ter in . Occluded Ink Fil the Gun
PROBLEM REMEDY
The
increased ink viscosity. If
e
com
e
,
re
below +00
may wors
The PHASE ERROR
m
nk filt
1000 hour
g Ink Filter Inside the Gun
).
CLEAN NOZZLE FAST OFF INK OFF
switching on of the printer if it was switched off in the regular
nominal value.
status shows
I
such a condition is
maintained for a longer If this filter needs replacing too frequently, it means that the main ink
filter is dirty or there are changes in the ink structure.
er in the gun heavily contaminated. It needs replacing every
s of operation (see
Replacin
time, it leads to ink dilution.
Aft r the CLEAN
NOZZLE
mand has been
NOTE The replacing of filters shall not follow directly the
, or commands or the
xecuted viscosity
adings may fall even
. The print quality
en.
mode (with rinsing). It is advisable to wait until impurities
deposit on the filter. Before starting the printing wait until any
excess solvent evaporates and the ink viscosity recovers its
message ay be displayed.
6.3.7. Red
PROBLEM REMEDY
uced partial vacuum
The partial vacuum in the
´
Check whether the vacuum pump runs - the characteristic
whirring sound is heard when the R3 cy
mu
suc
the gu
with
ink a
occu
´
Che
Repl c
´
Che between the vacuum
pum a
´
Check a of partial vacuum with the
SET VACUUM command in the SERVICE menu. The rated
value is 50% . If there are no other reasons for pressure drop, the
cycle time has been increased to 100% but the ink is still not
suc
vacuum
NOTE:
´
The higher the negative pressure [%], the higher ink
consumption.
´
If the vacuum pump operates properly, then any increase in the
negative pressure by more than 70% may result in an ink-
pressure-drop error and the
INK PRESSURE DROP message.
linder has dropped so
ch that the ink is not
V91 lamp on the internal panel
comes on. The pump starts and stops in cycles to suck ink from
ked out of the gutter,
the gutter.
tter is flooded
nd a phase error can
r.
ck whether the air filter is clean. If it is dirty, replace it (see
a ing Air Filter
).
ck for proper connection of all piping
p nd the R3 cylinder.
nd possibly increase the value
ked from the gutter properly, this may indicate that the
pump is worn out.
EBS