Oki Data CONFIDENTIAL
42049001TH Rev.1 75 /
2-2 Paper Loading Jam (Multipurpose tray)
• Does a paper loading jam occur immediately after the printer is turned on?
• YES Is paper jammed at the entrance sensor 1 or the entrance sensor 2?
YES Remove the jammed paper.
(A)
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• NO Does the lever of the entrance sensor 2 move properly?
NO Replace the lever.
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• YES Does the entrance sensor 2 work properly? [Operate the lever to check, through the switch
scan test of System Maintenance mode, the sensor for proper working, or to check the signal
on a corresponding FSNS connector pin of the engine board (RSN PWB).]
Pin 3: Entrance sensor 2
NO Replace the front sensor board (RSF PWB) after checking signal cable connection.
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• YES Replace the engine board after checking signal cable connection.
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• NO Does a paper loading jam occur at the instant after paper is drawn into the printer?
• YES Has paper reached the entrance sensor 2?
YES Go to (A).
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• NO Replace the multipurpose tray assy.
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• NO Is the hopping motor running?
• NO Is +24V being output to the fuse F2 on the engine board?
NO Replace the low voltage power unit.
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• YES Replace the engine board after checking cable connection.
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• YES Is the MPT feed roller turning?
NO Replace the gear assy - hopping.
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• YES Replace the engine board after checking cable connection.
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