OKIDATA Okipage 16n, Service Manual

Page: 139 / 238

Troubleshooting 6 - 22 OKIPAGE 16n
Service Manual, P/N 59274401
2
- 3 Paper feed jam
• Does a paper feed jam occur when the power is turned on?
• Yes Is the paper on the paper sensor lever?
• Yes Remove the paper.
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• No Does the paper sensor lever operate smoothly?
• No Replace the paper sensor lever.
▼
• Yes Clean the paper sensor. (See Fig. 2-3 Sensor Layout Diagram.)
▼
• Is the printer recovered?
• No Replace the Power/sensor board.
▼
• YES END.
• No Has the paper reached the paper sensor lever?
• No Is the registration motor rotating?
• No Is there any defective gear in the motor bracket assembly.
• Yes Replace the defective gear.
▼
• No Are the connections for CN3 connector on the Power/sensor board,
between CN8 and CN7 connectors on the Control board and registra-
tion motor, and for POWER connector and FRONT connector (white
9-pin or 7-pin connector) made properly.
• No Connect these connectors properly. If a defective cable is
found, replace the defective cable.
▼
• Yes Is the coil resistance (normal resistance: 6.7
Ω
) of the registration
motor normal?
• No Replace the registration motor
▼
• Yes Replace the Driver board.
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• Is the printer recovered?
• No Replace the Main board.
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• YES END.
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A
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Go to on the next page B .