IBM 6400-I15 Maintenance Manual - Page 43
Logic Control, Functional Elements of the Printer
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Logical Control of the Printer The printer is divided into four functional elements: the operator panel, the CMX controller board, the power supply, and the print mechanism. See Figure 15. AC Input AC POWER Operator Panel Circuit Breaker ON/OFF SWITCH Line 1 Line 2 / Neutral Power Supply Board CHASSIS GND Card Cage Fan CMX Controller Board EIA-232-E Serial I/O +5 V Remote Power Parallel I/O Shield GND Platen Motor Paper Motion Detector Paper Out Detector Left Ribbon Guide Left Ribbon Motor Print Mechanism Flex Circuits: Shuttle Assy Terminator Board Shuttle Motor Hammer Bank Board Shuttle Assembly MPU Hammer Bank Fan Figure 15. Functional Elements of the Printer Principles of Operation Cabinet Exhaust Fan (Cabinet models only) Paper Feed Motor Platen Open Switch Right Ribbon Guide Right Ribbon Motor 43
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