Datamax H-Class H-6 Series Maintenance Manual page 30

2. Remove the Cover (see Section 4.1 for details). Raise the Printhead Assembly. Locate the attached
Printhead Label and note the resistance value of the printhead. Make sure that media is loaded in
the printer then lower and lock the Printhead Assembly.
3. Locate the Power Supply CCA (see Section 4.7), then using a digital multi-meter (DMM) set to
measure DC voltage, probe J2 - Pin 3 with the positive lead and J2 - Pin 8 with the negative lead.
Short Model Potentiometer and J2 Location
4. In the table below, locate the Resistance (found in Step 2). Turn ON the printer and wait breifly.
Press the FEED Key to temporarily enable (about thiry seconds) the voltage. Using RP1 (see
illustration above) adjust the Voltage.
Mantenimiento Periféricos Informáticos C/Canteras,15 28860 Paracuellos de Jarama Madrid Tel: 91 748 16 04 www.mpi.com.es
Adjustments and Maintenance
Printhead Assembly
Printhead Label
RP1
Pin 1
J2
Tall Model Potentiometer and J2 Location
2-16
RP1
J2
Pin 1