Lexmark C750 Service Manual - Page 325
Lexmark C750 Manual
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Page 325 highlights
5060-00x See "Engine board" on page 5-7 Connector J71 HVPS- Transfer Pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J72 ITU Autoconnect 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J73 Autocompensator Motor 1 2 3 4 5 6 J86 Cover Interlock 1 2 Signal ITU TX ENA OUT ITU TX CUR PWM 0 ITU SERVO INTO ITU TX PWM OUT CMY TX ENA OUT K SERVO INTO K TX PWM OUT C SERVO INTO C TX PWM OUT Y SERVO INTO Y TX PWM OUT M SERVO INTO M TX PWM OUT Ground +24 V dc switched +5 V dc ITU DATA +3.3 V dc TPS GAIN OUT ITU TEMP BELT HOLE 1 Ground Ground ITU EEPROM CLK +24 V dc Right Side TPS LED ON OUT TONER PATCH OUT BELT HOLE 2 +5 V dc switched +5 V dc SWITCHED AUTOCOMP ENC IN Ground Ground AUTOCOMP OUT 2 AUTOCOMP OUT 1 +24 V dc to Cover SW +24 V dc switched Connector locations 5-13