• The printer does not print at all.• The printer does not print in the middle.• The printer does not print one or more colors. No ink, defective BJ cartridge,defective control board, defective carriage ribboncable, defective purge unitPart 5: Maintenance BJC-505-264. Print Defect <1>The Printer DoesNot Print.Do theymeet thespecifications?Does theprint defectpersist afterBJ cartridgereplacement?NoYesIs the testresult bad?NoYesRemove and reinstallthe BJ cartridge.1. Replace the print unit.ENDUse printing paper thatmeet the specifications.Check the conditions forusing the printer andprinting paperspecifications.YesNoDo a test print.1. Replace the inkcartridge.2. Replace the BJcartridge.END2. Replace the printerbase unit.3. Replace the controlboard.••Do a Demonstration pattern print.Hold down thePOWER button until the beeper sounds once andmanual feed a sheet of paper. Press theRESUME button to printout the Demonstration pattern.The carriage unit is defective.The purge unit is defective.