Oki OKIPAGE 4M Maintenance Manual

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Contents

6 - 8[JAM error]2-1 Paper input jam• Does a paper input jam occur when the power supply is turned on?• Yes Is the jammed paper on paper sensor E?• Yes Remove the jammed paper.• No Is paper sensor E (manual feed/paper) operating normally?• No Replace paper sensor E (manual feed or paper).• Yes Replace the high-voltage power supply board.• No Does a paper input jam occur during paper loading?• Yes Is the paper already fed to paper sensor E (manual feed)?• Yes Is paper sensor E (manual feed) operating normally?• No Replace paper sensor E (manual feed).• Yes Check the gear block or replace high-voltage power supply board.• No Is the paper already fed to paper sensor E (paper)?• Yes Is paper sensor E (paper) operating normally?• No Replace paper sensor E (paper).• Yes Replace high-voltage power supply board.• No Replace the stepping roller or friction pad.• No Is the hopping roller rotating?• Yes Check the coil resistance of magnet H. Is the resistance normal (about 120Ω)?• No Replace magnet H.• Yes Is +24 V supplied between CN8 Pin 1 and CN8 Pin 2 of the main controlboard?• No Replace the main control board.• No Check the gear block or replace the hopping shaft assy.• No Are the CN7 connectors of the pulse motor (main) and main control board con-nected?• No Connect the CN7 connectors correctly.