Oki B410 Maintenance Manual page 162

Oki Data CONFIDENTIAL
• (Jam Error)
Paper Feed Jam
• Does a jam occur around the entrance when turning on the power?
• Yes
• No
• Yes
• NO
• Yes
• No
• No
• Yes
• No
• Yes
• No
• No
• Yes
• No
• Yes
43984801TH Rev.1
Is the paper on the entrance sensor plate?
• Yes Remove the paper.
Does the entrance sensor plate work normally?
• No Replace the entrance sensor plate.
Replace the high-voltage power/ sensor board or entrance sensor.
Does the paper inlet jam occur when paper is fed.
Is the paper on the entrance sensor plate?
• Yes Does the entrance sensor plate work normally?
• No Replace the entrance sensor plate.
• Yes Clean the high-voltage power/ the entrance sensor on the sensor board. Or
replace the high-voltage power/ sensor board or entrance sensor.
Replace the hopping roller shaft Assy or paper cassette.
Are the hopping roller and paper feed roller rotated?
Load the paper appropriately.
Is the pulse motor rotated?
Replace the hopping roller shaft Assy or the one-way clutch gear of the paper-feed
roller Assy.
Is the connector appropriately connected?
Connect the connector appropriately.
Check the coil resistance of the pulse motor.Is it normal (about 4.9 )?
Replace the stepping motor.
Replace the OT7 board.
Appendix C Maintenance Manual for Second Tray unit
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