Compaq LA36 Service Manual page 119

T offset
HDTIM
PD01~PD24
(Main excitation)
FLYBK01~FLYBK06
(Flyback)
Head current
HDTIM : Basic print operation timing
PD01~PD24 : Print head excitation time
FLYBK01~FLYBK06 : Flyback absorption time
T offset : Offset time (for correcting head pin location)
T offset
Figure 5.31 Print timing