Brother International HL-1260 Service Manual - Page 90
NO CARTRIDGE is displayed
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M-7 " CHECK XX TRAY " is displayed even if a paper-loaded cassette is mounted (or even if a paper is set on MP tray) XX is MP/T1/T2 Possible cause Step Check Result Remedy Mis-operation 1 Is the paper feed mode set correctly? No Set paper feed mode correctly. Actuator 2 Does the actuator for the paper empty sensor No operate smoothly? Reassemble or replace the actuator. Paper empty 3 Does the voltage of P5-3 (or P5-14) in the No Replace the paper feed/size- sensor Paper feeder PCB connector rise from 0V to sw PCB assy or feed flat Feed flat cable 5V when the paper empty sensor is covered? cable . Paper feed flat cable Main PCB 4 Does the voltage of P3-3 (or P3-14) in the main No Replace the feed flat cable. PCB connector rise from 0V to 5V when the paper empty sensor is covered? Yes Replace the main PCB assy. M-8 "14 NO CARTRIDGE " is displayed Possible cause Step Check Result Remedy EP-ED cartridge 1 Is an EP-ED cartridge installed correctly? No Install the EP-ED cartridge correctly. Transfer unit electrode 2 Is the electrode of the transfer unit dirty? Yes Clean the electrode of the transfer unit. High-voltage power supply PCB 3 Is the voltage of P4-13 in the high-voltage Yes Replace the high-voltage power supply PCB connector higher than that power supply PCB assy. of P4-11 over 2.5V? HV harness Main PCB 4 Is the voltage of P6-13 in the main PCB Yes Replace the HV harness. connector higher than that of P6-11 over 2.5V? No Replace the main PCB assy. VI - 13