Chapter 66-226.2.5 Roll feed unit PCB 0013-3771F-6-5T-6-43T-6-44T-6-456.3 Version Up6.3.1 Firmware Update Tool 0013-3917Use of the following tools allows you to update the firmware of the system controller incorporated in the printer.- GARO Firmware Update Tool- L Printer Service Tool1. GARO Firmware Update ToolGARO Firmware Update Tool is the same as that for user.Procedure1) Start CARO Firmware Update Tool.2) Place the printer in the online mode.3) Transfer the firmware data to the printer according to the instructions shown on the display.4) The data shown on the LCD on the operation panel changes and the firmware is updated automatically.5) When firmware update is completed, the printer will start again.J1 (Connect to main board)Pin Number Signal name IN/OUT Function1 GND - GND2 GND - GND3 ROLL_CLK IN Roll motor driver clock signal4 ROLL_DAT IN Roll motor driver data signal5 ROLL_STB IN Roll motor driver strobe signal6 /ROLL_SLEEP IN Roll motor driver sleep signal7 VM IN Power supply (+26V)8 VM IN Power supply (+26V)9 ROLL_UNIT OUT Roll unit detection signal10 ROLL_PAPER_SNS OUT Roll media sensor signal11 ROLL_CAM_SNS OUT Roll cam sensor signal12 GND - GND13 OPT_5V IN Power supply (+5V)J2 (Roll media sensor )Pin Number Signal name IN/OUT Function1 +5V OUT Power supply (+5V)2 GND - GND3 ROLL_PAPER_SNS IN Roll media sensor signalJ3 (Roll cam sensor, roll motor)Pin Number Signal name IN/OUT Function1 +5V OUT Power supply (+5V)2 GND - GND3 ROLL_CAM_SNS IN Roll cam sensor signal4 GND - GND5 ROLL_OUTAP OUT Roll motor drive signal AP6 ROLL_OUTAM OUT Roll motor power supply AM7 ROLL_OUTBP OUT Roll motor drive signal BP8 ROLL_OUTBM OUT Roll motor power supply BMJ1J2 J3