25
GB
9.694.004 V1.04
ENGLISH
MD 850
Troubleshooting and Maintenance
Calibration
Only possible with HAWO Service Dongle.
The Service Dongle is located in the device, left of the Control card
After replacing the temperature sensor or heating elements it is necessary to calibrate the temperature. After replacing the print
head or "print start" light barrier it is necessary to calibrate the printer.After replacing the electronic unit it is necessary to perform
both adjustment operations.
FUNCTION
KEYS
DISPLAY
Switch off machine
Switch on machine
Self-test runs for approx. 30 s
Connect service dongle to COM1
Select language
Language: German, English,
French, Spanish, Italian, Finnish,
Swedish
CALIBRATION
Contact Pressure
1.Prior to adjustment unsrew
srew
S
totally
2. Adjust zero point to
5 N
using poti
P1
3. Set pressing –on pressure
to
100
N using srew
S
Press “ OK “ for confirmation
CAUTION!
This calibration may ONLY be
carried out when the
device is completely
cold
Before calibration the device must have
been
switched on for at least
5 minutes
SYSTEM CALIBRATION
Temperature
Printer
TEMPERATURE
Measure temperature between
printing dies
After reaching T=120 °C / 248 °F:
Enter measured temperature 1
after waiting 120 sec
.
After reaching T=200 °C / 392 °F:
Enter measured temperature 2
after waiting 120 sec.
PRINTER
1. Print test with
specimen > 150 mm
2. Measure distance 1 and 2
Distance 1
Distance 2
Confirm test printout
Input
distance 1
Input
distance 2
5
Set language
GB
Please wait
Language selection
Contact pressure
Range
100 N
Contact pressure
Range
05 N
Contact pressure
0 – Point
000 N
system calibration
next key
Input
temperature 1
Time 1
Temperature 1
120 120°C
reading :
°C
Time 2
Temperature 2
120 200°C
reading :
°C
Input
temperature 2
printer calibration
test print
printer calibration
distance 1
mm
Bottom of specimen
printer calibration
distance 2
mm
