Printronix P9012 Maintenance Manual page 47

resulting MPU signal is synchronized with the timers (CLK) and applied to
print synchronizing logic on the MCU PCBA.
Typical signal levels received from the magnetic pickup are:
SYNC: 2.5 to 5.5 Vpp
RESYNC: 4 Vpp minimum
HAMMER BANK/SHUTTLE ASSEMBLY
Principles of Operation
Figure 2–20. Printer Functional Elements
SHUTTLE MOTOR
(Shuttle Mechanics)
MPU
2–29