Canon PIXMA iP4200 Service Manual - Page 49

2. CONNECTOR LOCATION AND PIN LAYOUT 2-1. Logic Board Ass'y CN101 Not used CN201 (Print head 1/2 [Carriage unit]) No. Signal name 1 AB_PWR 2 AB_DATA 3 AB_PWR 4 AB_CLK 5 LOGIC_GND 6 H_D3 7 H_D0 8 H_D1 9 H_D5 10 H_ENB0 11 LOGIC_GND 12 DIA0 13 LOGIC_GND 14 H_D2 15 H_D4 16 H_ENB3 17 H_D8 18 H_ENB1 19 H_LATCH 20 H_EEPROM_CS Function AB power supply AB data signal AB power supply AB CLK signal Logic GND Head data (SC1) Head data (BK1) Head data (BK2) Head data (SM1) Head heat enable signal 0 (BK) Logic GND Diode sensor anode 0 Logic GND Head data (C1) Head data (M1) Head heat enable signal 3 (SCol) Head data (Y1) Head heat enable signal 1 (Col-1) Head data latch signal Head EEPROM chip select signal 3-2 Input / Output - BUS - BUS - OUT OUT OUT OUT OUT IN OUT OUT OUT OUT OUT OUT OUT