40496501TH Rev.1156SHas the headgap been accurately adjusted?YesNo•Readjust the headgap as stated in the Maintenance Manual.t•Perform the head pin test as stated in the Maintenance Manual.•Is a particular pin lacked?YesNo•Go toD.t•Can the printer recover after the print head is replaced?NoYes•Endt•Can the printer recover after the PDA board is replaced?NoYes•Endt•Can the printer recover after the PMA board is replaced?NoYes•Endt•Replace the head cable.