| Problem |
Possible
Cause |
Possible
Solution |
| |
|
|
| Printer
is turned on but motor does not run |
Plexiglas
doors or front door open. |
Close all
doors of the printer. |
| |
Improper insertion
of ink unit. |
Remove ink
unit and reinsert. |
| |
Blown fuse. |
Replace fuse
(use only 6.0 A) Check ink unit for
frozen gears and sticky rollers. |
| |
|
|
| Motor is
turning but the print doesn´t start |
No air supply.
|
Check air
supply. |
| |
|
|
| Printer
does not auto-start |
Auto-Start-Sensor
not working or disabled. |
The second
paper roller must provide 4 pulses per revolution to the auto start sensor.
(Check by turning the roller by hand an watch input x10 of the PLC). |
| |
|
|
| One-sided
print image |
Not enough
ink in the supply container. |
Add ink and
/ or thinner. |
| |
Uneven print
transfer. |
Check distance
between print roller and print plate. |
| |
Diaphragm
pump does not work. |
Check pneumatic
supply of diaphragm pump. |
| |
|
Check diaphragm
pump for dried ink, disassamble it and clean with thinner. |
| |
Hoses
are blocked. |
Disconnect
all hoses and flush them with thinner. Do the same with the diaphragm
pump |
| |
|
|
| Incomplete
print image. Part of letters or complete portions of text not printing |
Not enough
ink in the supply container |
Add ink and
/or thinner. |
| |
Not enough
pressure on print plate to upper pressure plate |
Increase air
pressure (6 bar necessary). |
| |
Print plate
contact duration too short |
Increase dwell
time on PLC (trimmer) CAUTION: This is only possible if packaging machine
cycle is long enough in duration. |
| |
Not enough
ink transfer on to letters because of different heights within letters;
or incorrect adjustment of guide rails, either left or right of lower print
table. |
Check ink
transfer:- Printer is operational, circulating pump is running- actuate
print cycle- stop print cycle with button Stop, after print roller has made
one complete cycle - open Plexiglas door and remove print plate - view letters
for proper inking by holding plate against light, if necessary, replace
letters or part of letters. Insert print plate and perform a "TEST PRINT"-
if result is still unsatisfactory adjust guide rails in such a way that
the print roller has increased pressure on the print plate as per sec. CAUTION:
Make only minor adjustments to avoid an unclean print image. |
| |
|
|
| Poor print
quality |
There are
many adjustments to improve the print quality. |
See adjustments. |
| |
|
|
| Undetermined
Causes |
Make detailed
observations and record findings |
Call AMACO
+43-5572-317330 or send an e-mail |
| |
|
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