Specifications

1.6.4 Resident Fonts . . . .............................1–11
1.6.5 Resident Character Sets.........................1–11
Chapter 2 THEORY OF OPERATION
2.1 Overview ............................................2–1
2.2 The Enclosure and Environment ..........................2–4
2.2.1 Interlock Switches ..............................2–4
2.2.2 Fans . . . ......................................2–5
2.3 Print Mechanism ......................................2–5
2.3.1 Description ....................................2–5
2.3.2 The Paper Drive Assembly . . ......................2–7
2.3.3 The Ribbon Assembly............................2–7
2.3.4 Print Actuator Assembly . . . ......................2–7
2.4 Electronics ...........................................2–7
2.4.1 Overview .....................................2–7
2.4.2 Shuttle Control Panel Interface (SCPI) . .............2–9
2.4.3 Shuttle Matrix Display Panel (SMDP) . . .............2–9
2.4.3.1 Seven-Segment Displays ...................2–9
2.4.3.2 Audio Alarm.............................2–9
2.4.3.3 Printer Initialization Switch . . . ............2–10
2.4.3.4 Inner Control Panel . .....................2–10
2.4.3.5 External Control Panel ...................2–10
2.4.4 Shuttle Matrix System Microprocessor (SMSM). . . ....2–10
2.4.5 Shuttle Matrix Imaging Microprocessor (SMIM) . . ....2–11
2.4.6 Shuttle Matrix Image Hardware (SMIH) ............2–11
2.4.7 Shuttle Head Actuator Driver (SHAD). . ............2–11
2.4.8 Shuttle Matrix Motor Control (SMMC) . ............2–12
2.5 Power Supply . . . .....................................2–12
2.5.1 Description ...................................2–14
2.5.2 Shuttle Power Supply Filter (SPSX) . . . ............2–14
2.5.3 Shuttle Power Supply Master (SPSM) . . ............2–14
2.5.4 Shuttle Power Supply Regulator (SPSR) ............2–15
2.5.5 Shuttle Power Supply Discharge (SPSD) ............2–15
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