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2-36 Service Manual
5016-001
A Media does not feed from MPT, 250 paper jam message displays.
FRU Action
1Gear B1
Gear 4
PF Bushing
Check PF gear B1, and gear 4 to be sure they
turn. If any problem is found, repair as necessary.
2 Clutch Gear
Paper Feed
Drive Gear
Paper Feed
Idler Gear
Fulcrum Gear
Drive Gear
Check all the MPT paper feed gears for signs of
worn, loose or broken parts.
Check the gear pressure spring. Replace any
broken or worn parts.
3 Bypass Paper
Detect Sensor
Bypass Paper
Detect Sensor
Cables
Bypass Paper
Detect
Sensor Flag
Engine Board
Be sure the sensor cables are properly connected
and are not cut or damaged. Be sure the ribbon
cable that attaches the MPT sensor and clutch to
the base printer is not cut or damaged. This may
happen if caught between the printer frame and
front cover assembly.
Check the bypass detect sensor flag for proper
operation.
Check the voltages for the bypass paper detect
sensor and paper feed clutch. The sensor can be
checked with the front cover in the down position.
Check pin 2, while activating the sensor flag in the
MPT tray. Check the voltages on CN12 for the
bypass paper detect sensor.
Pin # Voltage Signal Signal
Signal Static Activated
1 (Brown) +5 V dc +5 V dc +5 V dc
2 (Red) KAMIARIO 0 V dc +5 V dc
3 (Orange) DGND 0 V dc 0 V dc
4 (Yellow) VP +24 V dc +24 V dc
5 (Blue) - SL4ON +24 V dc 0 V dc
All voltages are approximate values.
• If the voltages on pins 1 and 4 are incorrect,
replace the engine board.
• If the voltage on pin 2 does not change, replace
the sensor.
• If this does not fix the problem, replace the
engine board.