EBS Ink-Jet Systems EBS-6200, Руководство пользователя, Страница: 111 / 124

EBS-6200
Printer User's Manual
Chapter 6 - Service and Maintenance
#1.0
109
20091020
6.3.10. Some verti
PROBLEM
cal rows of overprints are spaced widely
REMEDY
Some vertical rows of
rprints are spaced ove
l
shaft-enco
timing.
widely - the problem occurs
on y when an external
der is used for
PRINT HEAD
A ROW MISSING IN LETTER
A
precisely, when the timing frequency is too high). The rectifying
procedure involves the following steps:
•
if a shaft-encoder is used for tim ng, then reduce the setting of
the Enc const p/m or Resol. dot/cm parameter with the
to section
r in the
the
SLOW ,
he S ts
still pro
convey
informa
Fig. 6.3.10.1.
The distortion occurs when the print rate is too high (or more
i
PRINTING PARAMETERS command - refer also
4.6 Adjusting Print Rate
,
•
If the above measure fails, set the Speed paramete
PRINTING PARAMETERS submenu to a higher print rate than
current one. For example, if the Speed parameter is set to
change its setting to MIDDLE ,
peed parameter is set to FAST and distorted overprin
•
If t
are duced, you can only reduce the travel speed of the
or or possibly contact the manufacturer for more
tion.
NOTE:
Some comp the vertical row height of more than 16 dots
cannot be printed when the Speed parameter is set to MIDDLE or
FAST .
If you try to do so, the message PRINT SPEED TOO HIGH is
order to reduce the maximum print height or the conveyor travel
lex texts with
displayed on the terminal, and you need to re-edit your text file in
speed - refer to section
4.6 Adjusting Print Rate
.
6.3.11. Irregular defects of print quality
PROBLEM REMEDY
The prints are made
with
The reason for the occurrence of big drops of ink is the leaking
e thread between the nozzle and the properly but big spots of
ink
p
nozzle. Leaks may occur on th
ap ear here and there
in the overprint outline.
gun or, less frequently, at the setting of the ruby in the nozzle holder.
The ink leakage flows towards the ink jet, then it is washed away by
s big ink drops. the jet and thrown out a
Carefully screw the nozzle tight or replace it.