EBS Ink-Jet Systems 1500 Series, Руководство пользователя, Страница: 92 / 111

EBS-1500
Series Printers User's Manual
Paragraph 6 - Servicing and Maintenance of the Printer
EBS
Ink Jet Systems
90
20060920#3.1
No overprints are made after the print command has been accepted
PROBLEM REMEDY
After the printer has been
switched on and the
START PRINT
command
selected and confirmed
with the **OK** message,
no overprints are made.
•
Check whether the print head, photodetector and possibly the
shaft-encoder are connected to the printer properly (cable
connectors need to be plugged in and screwed tight in the
controller and the head).
•
Check for proper settings of print parameters. If
Generator=SHAFT , check whether the shaft-encoder axle
rotates. If Text rpt. is not set to CONTIN. , check whether moving
objects are detected by the photodetector.
•
Check whether the other print parameters are set properly.
•
Check whether the ink system components are connected
properly, the ink system is pressurised, and there is some ink in
the ink bottle.
Clogged nozzles in the head
PROBLEM REMEDY
A nozzle is clogged. An
attempt to clear it by
rinsing does not help (to
rinse the nozzle, press the
key at the back of the
head housing - see section
6.2 Removing Air from the
Ink System
).
1
2
3
4
5
6
7
8
9
10
11
12
Nozzle No.6
is clogged
Follow the instructions below:
Cut the air pressure off and wait until the ink pressure drops down to
zero.
Remove the distance holder for packages from the front part of the
head.
Unscrew four fixing screws on the nozzle plate and remove the plate
carefully.
fixing screws
plate with nozzles
.
If possible, wash the nozzle plate with solvent in ultrasonic bath.
If the ultrasonic bath cannot be applied, leave the nozzle plate in
solvent bath for about 10 minutes.
Dry the plate with a tissue. Make sure no paper fibres are left.