Datamax W-Class Maintenance Manual page 27

 Wait for the printer to initialize. After 'Ready' is displayed, press the FEED button (this will enable
the printhead voltage for approximately 30 seconds). While monitoring the DVM, adjust the voltage
using RP1 on the Power Supply PCB according to the resistance range listed in the appropriate table
below.
An over-voltage condition can permanently damage or shorten the life of the
printhead.
WARNING
Model Printhead Resistance Range (in ohms)
W6208
W6308
W8308
 Turn 'Off' and unplug the printer. Remove the DVM leads. Reinstall the Power Supply Cover.
Reinstall the Electronics Cover.
Adjustments and Maintenance
Printhead Voltage Adjustment Table
808 – 843
844 – 879
880 – 914
915 – 950
951 – 985
986 – 1021
1022 – 1056
1057 – 1093
947 – 978
979 – 1012
1013 – 1049
1050 – 1088
1089 – 1130
1131 – 1176
1177 – 1226
1227 – 1281
1250 – 1300
1350 – 1400
1450 – 1500
1550 – 1600
1650 – 1700
1750 – 1800
2-17
Printhead Supply Voltage (in VDC)
22.4
22.9
23.3
23.8
24.2
24.7
25.1
25.5
22.4
22.7
23.1
23.5
24.0
24.4
24.9
25.4
23.8
24.0
24.4
25.0
26.2
26.6