magicolor 330 - Base Engine Service Manual 3-11
Primary FIPS: Error Messages

3.8 - Error Message: Put <Size> Paper in MPT

The Multipurpose Tray is out of paper.
Logic control on the MCU PWB detected that either the Long or the Short Multipurpose No Paper Sensor is actuated.
Engine diagnostics may refer to MPT sensors as MSI sens ors.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific prob-
lem. One or more of these components may have failed partially or
completely. If you cannot isolate the problem using this FIP,
replace each component listed below, one at a time, until the prob-
lem disappears.
• Wiring and connectors linking the components
1MPT INSPECTION
Is the Multipurpose tray out of paper?
Load paper
into the Tray.
Go to step 2
2MPT LONG NO PAPER SENSOR TEST
1. Enter Diagnostics and test the MPT/MSI Long No Paper
Sensor.
2. Manually actuate and deactuate the Long No Paper
Sensor.
Is "actuated" displayed when you manually actuate the sen-
sor? And, is "not actuated" displayed when you manually
deactuate the sensor?
Go to step 3 Replace the
MPT/MSI
Long No Paper
Sensor (RRP
9.35)
3MPT/MSI SHORT NO PAPER SENSOR TEST
1. Enter Diagnostics and tes t the MPT/MSI Short No Paper
Sensor.
2. Manually actuate and deactuate the Short No Paper
Sensor.
Is "actuated" displayed when you manually actuate the sen-
sor? And, is "not actuated" displayed when you manually
deactuate the sensor?
Go to step 4 Replace the
MPT/MSI
Short No Paper
Sensor (RRP
9.28)
4Replace the MCU PWB (RRP 9.123)
Does the error message still appear?
Go to suspect
components
Problem
Solved