Oki Data CONFIDENTIAL44871001TH Rev.6 10-2110. APPENDIX• (Jam Error)Paper Feed Jam• Does a jam occur around the entrance when turning on the power?• Yes Is the paper on the entrance sensor lever?• Yes Remove the paper.• No Does the entrance sensor lever work normally?• No Replace the entrance sensor lever.• Yes Replace the main board or entrance sensor.• NO Does the paper inlet jam occur when paper is fed.• Yes Is the paper on the entrance sensor lever?• Yes Does the entrance sensor plate work normally?• No Replace the entrance sensor lever.• Yes Clean the entrance sensor, or replace the main board orentrance sensor.• No Replace the hopping roller shaft Assy or paper cassette.• No Are the hopping roller and paper feed roller rotated?• Yes Load the paper appropriately.• No Is the pulse motor rotated?• Yes Replace the hopping roller shaft Assy or the one-way clutchgear of the paper-feed roller Assy.• No Is the connector appropriately connected?• No Connect the connector appropriately.• Yes Check the coil resistance of the pulse motor.Is it normal (3.4 or 5 )?• No Replace the stepping motor.• Yes Replace the GOG board.10.2.6 Connection Diagram10.2.6.1 Connection diagram10.2.6.2 Board ArrangementGOG boardMConnection to the printerMOTORCL1Regist clutchCL2Feed clutchSNS12Entrance sensorHopping sensorPaper end sensorSNS03MAIN1FLASH1 47 1 3 1SNS03 SNS12CL1CL2MOTOR21314181
