User Manual
vi
Figure 5.26 Phase switching and carriage drive direction ..............................................................................5-28
Figure 5.27 Relationship between carriage drive speed and phase excitation ................................................5-29
Figure 5.28 Carriage drive 1/2-phase excitation at low speed ........................................................................5-30
Figure 5.29 Carriage drive 2-phase excitation at high speed ..........................................................................5-30
Figure 5.30 Print head pin magnet drive circuit ..............................................................................................5-31
Figure 5.31 Print timing ..................................................................................................................................5-32
Figure 5.32 Phase switching and paper feed direction ....................................................................................5-33
Figure 5.33 Paper feed speed ..........................................................................................................................5-34
Figure 5.34 1/2-phase excitation of paper feed ...............................................................................................5-34
Figure 5.35 Phase switching and ribbon shift direction ..................................................................................5-35
Figure 5.36 Ribbon shift speed........................................................................................................................5-36
Figure 5.37 Ribbon shift phase excitation ....................................................................................................... 5-36
Figure 5.38 Fire check circuits ........................................................................................................................5-38
Figure 5.39 Control panel block diagram........................................................................................................5-39
Figure 5.40 Surge current prevention circuit ..................................................................................................5-40
Figure 5.41 Power supply block diagram........................................................................................................5-41
Figure 5.42 PWSTOP signal ........................................................................................................................... 5-44
Figure 5.43 Firmware configuration ...............................................................................................................5-45










