Canon iPF780 Series Service Manual

Also see for image Prograf iPF785 Series: Setup guide Basic guide User guide User guide

Contents

Chapter 22-45T-2-23T-2-24T-2-2571 GND - GND72 H1_CLK OUT Head data clock signal73 /H1_LT OUT Head data latch signal74 H1-B-DATA-2-EV OUT Even head data signal 2(B)75 H1-A-DATA-0-OD OUT Odd head data signal 0(A)76 GND - GND77 GND - GND78 GND - GNDJ201 (Connect to Carriage PCB J3401)Pin Number Signal name IN/OUT Function1 VHGND - GND2 VHGND - GND3 VHGND - GND4 VHGND - GND5 VH IN Power supply (+21.5V)6 VH IN Power supply (+21.5V)7 VH IN Power supply (+21.5V)8 VH IN Power supply (+21.5V)9 VH IN Power supply (+21.5V)10 VH IN Power supply (+21.5V)11 VH IN Power supply (+21.5V)12 VH IN Power supply (+21.5V)13 +24V_HV_SW IN Power supply (+24V)14 SNS5V IN Power supply (+5V)15 GND - GND16 +3.3V_H1 IN Power supply (+3.3V)17 +3.3V_H1 IN Power supply (+3.3V)18 VH_SW1_ON IN VH control signal19 21V_H1_VHT IN Power supply (+21V)20 +5V_VM_IC IN Power supply (+5V)21 GND - GND22 VHGND - GND23 VHGND - GND24 VHGND - GND25 VHGND - GNDJ202 (Linear encoder sensor)Pin Number Signal name IN/OUT Function1 ENCODER_B IN Carriage encoder output signal B2 GND - GND3 ENCODER_A IN Carriage encoder output signal A4 SNS5V OUT Power supply (+5V)J501 (Multi sensor)Pin Number Signal name IN/OUT Function1 SNS3.3V OUT Power supply (+3.3V)2 GND - GND3 IO-ASIC_SCL IN/OUT Head ROM control signal (clock)4 IO-ASIC_SDA IN/OUT Head ROM control signal (data)5 GAP_SNS1 IN Multi sensor head height (GAP) detection signal 16 GAP_SNS2 IN Multi sensor head height (GAP) detection signal 27 COLOR_SNS IN Multi sensor density detection signal8 EDGE_SNS IN Multi sensor paper edge detection signal9 GND - GND10 SNS5V OUT Power supply (+5V)11 THERMISTOR - N.C12 GND - GNDJ103 (Printhead)Pin Number Signal name IN/OUT Function