Kortho
Hot Quickcoder User manual
24
Print Quality Problems
A. Text head does not move
possible cause:
action:
1.
Still in preheating mode.
Activate the START button on the Control Panel
(STOP status)
(normal operation, see also 5.1.1)
2.
No air pressure
Check reducing valve on the
Control box
3.
No supply voltage
Measure the voltage on the 220V AC
terminals in the command
box voltage
4.
Fuse blown
Check the fuses (on the
PCB) in the Control box and
replace if blown (coil and/or
system power not illuminated).
5.
Magnetic valve defective
Replace the magnetic valve
6.
Wire broken in the supply
Disconnect the system from the power and the
and/or control cable
cables. Test the power cable and control cable
(heating & sensor).
If necessary replace
the power and control cable (see
electrical connection diagram appendix C).
B. Text head moves but no printing or only partial printing visible
possible cause:
action:
1.
Temperature too low
Set temperature to a higher
value
2.
Stamping time too short
Set stamping time to a higher
value
3.
Counter-pressure plate / product
Adjust the counter-pressure plate or HQC.
far from the text head of the HQC.
4.
Fault in the text material
Check that the text materials is not
worn or that the (loose) characters are
varying in height. If necessary
replace the block or the characters
5.
The HQC is out of alignment
Adjust the HQC in relation to the
with the product to be printed
product to be coded.
6.
The Hotroll is empty (exhausted)
Check the Hotroll and
replace if necessary.
7.
The Hotroll does not turn
Check the position of the
transport spring and adjust it if
necessary.
