4-29BJC-5000Part 4: Technical Reference3.4 Carriage3.4.1 Carriage function1) printhead installationThe BJ cartridge is fixed mechanically to the carriage and connected to the logicboard with the carriage ribbon cable.2) Carriage driverThe carriage motor and carriage belt moves the carriage horizontally across thepaper.3) Paper feed motor driver switchingWhen the carriage moves farther right from the capping position, the transmissionarm is unlocked by sliding the slide lock pin of the purge unit. The paper feedmotor used for feeding paper during printing can be switched to drive the purge unitand sheet feeder.Carriage MotorCarriage Guide FrameCarriage Ribbon CableLocking LeverContactHead HolderCarriageHome Position SensorCarriage ShaftHome Position EdgeCarriage BeltBJ CartridgeAuto-Alignment SensorPaper Feed Motor Driver Switching SectionSlide Lock PinFigure 4-21 Carriage