Printronix P9012 Maintenance Manual page 44

TP10 (–8V)
TP1 (+5V)
TP7 (–12V)
TP8 (OD)
TP2 (COM1)
TP3 (–HCK)
TP6 (+36V)
TP4 (NHSCB)
TP5 (–HRS)
TP9 (COMOUT)
2–26
Hammer Driver PCBAs (1–3)
Figure 2–18. Hammer Driver PCBA
Note: All voltages shown are in VDC.
Principles of Operation