Brother DCP-L5500D Service Manual page 333

<Solenoid and clutch check>
Check the corresponding solenoid and clutch by activating the sensor below.
Both solenoid and clutch can not detect error or fault. They only check if they are functioning.
Sensor operation
Change the status of the T1 paper feed sensor from
Paper tray 1 open to Paper tray 1 closed.
Change the status of the T2LT paper feed sensor from
Paper tray 2 open to Paper tray 2 closed.
Change the status of the T2LT paper empty sensor from
No paper to Paper set.
Change the status of the T3LT paper feed sensor from
Paper tray 3 open to Paper tray 3 closed.
Change the status of the T3LT paper empty sensor from
No paper to Paper set.
Change the status of the MP paper empty sensor from
No paper to Paper set.
Change the status of the registration rear sensor from
No paper to Paper set.
Change the status of the new toner sensor from
Not pressed to Pressed.
Change the status of the T2TT paper feed sensor from
TT paper tray 2 open to TT paper tray 2 closed.
Change the status of the T3TT paper feed sensor from
TT paper tray 3 open to TT paper tray 3 closed.
Change the status of the T4TT paper feed sensor from
TT paper tray 4 open to TT paper tray 4 closed.
Change the status of the T5TT paper feed sensor from
TT paper tray 5 open to TT paper tray 5 closed.
Change the status of the T3TT paper empty sensor from
No paper to Paper set.
Change the status of the T4TT paper empty sensor from
No paper to Paper set.
Change the status of the T5TT paper empty sensor from
No paper to Paper set.
Note:
• LCD display changes by activating the sensors above. However, it does not affect to the
operation of the solenoid and clutch. If the sensors to operate the solenoid and clutch are
faulty, they are inoperable.
Solenoid/clutch operation
The T1 pickup clutch remains ON
for the specified time.
The T2LT pickup clutch remains ON
for the specified time.
The T2LT release clutch remains ON
for the specified time.
The T3LT pickup clutch remains ON
for the specified time.
The T3LT release clutch remains
ON for the specified time.
The MP solenoid remains ON for
the specified time.
The registration clutch remains ON
for the specified time.
The develop clutch remains ON for the
specified time.
Erase Lamp is ON (keep the develop
clutch ON until the new toner sensor
gets pressed)
The T2TT pickup clutch remains
ON for the specified time.
The T3TT pickup clutch remains
ON for the specified time.
The T4TT pickup clutch remains
ON for the specified time.
The T5TT pickup clutch remains ON
for the specified time.
The T3TT release clutch remains
ON for the specified time.
The T4TT release clutch remains
ON for the specified time.
The T5TT release clutch remains
ON for the specified time.
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Confidential