Lexmark C77x Service Manual page 111

Step Actions and questions
5 Voltage check, base printer autoconnect connector—
Turn the power off, and remove the output option from
the printer. Check the voltages on the base printer top
autoconnect connector. See
on page 5-19.
Are the voltages correct?
Ready bin full message—may be able to clear message and will feed paper into bin
x
selected.
Note: This sensor is normally in a open position with the flag out of the sensor slot.
Step Actions and questions
1 Bin x sensor (bin x=Sensor 1 through 5)—Make sure
the sensor is seated correctly in the side of tray x.
Is the sensor seated correctly?
2 Bin x sensor cable—Make sure that bin x sensor cable
is connected to the sensor and to the control board.
Is the sensor cable connected correctly?
3
Bin x sensor flag—Check the bin x sensor flag for
binding and proper operation.
Are there any problems with the sensor flag?
4 Bin x sensor cable—Check the continuity of the sensor
cable.
Is there continuity?
Bin full—no message that bin
x
Step Actions and questions
1 Bin x sensor (bin x=sensor 1 through 5)—Make sure
the sensor is seated correctly in the side of tray x.
Is the sensor seated correctly?
2
Bin x sensor cable—Make sure that bin x sensor cable
is connected to the sensor and to the control board.
Is the sensor cable connected correctly?
3 Bin x sensor flag—check the bin x sensor flag for
binding and proper operation.
Are there any problems with the sensor flag?
4
Bin x sensor cable—Check the continuity of the sensor
cable.
Is there continuity?
"Autoconnect—bottom"
is full message
x
Yes No
Replace the Replace the
output option. bottom option
autoconnect
cable.
Yes No
Go to step 2 Install the sensor
correctly.
Go to step 3 Install the sensor
cable correctly.
Repair or replace Go to step 4
the sensor flag.
Replace the bin x Replace the bin x
sensor. cable.
Yes No
Go to step 2 Install the sensor
correctly.
Go to step 3 Install the sensor
cable correctly.
Repair or replace Go to step 4
the sensor flag.
Replace the bin x Replace the bin x
sensor. cable.
Diagnostic information
5061
2-69