Oki MB461 - Connection Diagram; Board Arrangement

Oki Data CONFIDENTIAL
44871001TH Rev.6
10-21
10. 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or
entrance 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 clutch
gear 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 Diagram
10.2.6.1 Connection diagram
10.2.6.2 Board Arrangement
GOG board
M
MAIN1
Connection to the printer
MOTOR
CL1
Regist clutch
CL2
Feed clutch
SNS12Entrance sensor
Hopping sensor
Paper end sensor
SNS03
MAIN1
FLASH
1 4
7 13 1
SNS03 SNS12
CL1
CL2
MOTOR
2
1
3
1
4
1
8
1