3-10 Service Manual
5026
Motor tests
The motor tests are run to locate noises in the printer and isolate failures between the motors, cables, and
system board.
General motor tests procedures
In some instances, when you enter a particular test, you will be given the choice to run the motor in forward or
reverse. Other times, there will only be the option to run the motor in forward direction.
In general, the test should work as follows:
1. Select MOTOR TESTS from the Diagnostics Menu.
2. Select the motor that you need to test.
3. Check the table below for setup requirements, if any.
4. Select the direction if a choice is offered (Forward or Reverse) or other setting for that test.
Press or to stop the motor and end the test.
The following tests have special setup before running the test:
Motor diagnostic setup
Motor
Setup requirements
Notes
Top cover
position
Front door
position
Tray 1 N/A Closed • Ok
• Picks paper – use empty or remove tray
Open Ok
Align N/A Closed Ok
Open
defeat +25 V switch
•Ok
• View align mechanism
Duplex N/A Closed Ok
Closed
split front door
•Ok
• View duplex mechanism (pull tray to isolate gears)
Open
defeat +25 V switch
•Ok
• Duplex mechanism disconnected from motor
Belt stepper N/A Closed • No motion
• No error reported
Open • Ok
• Belt disconnected from motor
Cartridge K – 3 N/A Closed • No motion
• No error reported
Open • Ok
• Cartridge disconnected from motor
Cart MCY – 2 N/A Closed • No motion
• No error reported
Open • Ok
• Cartridge disconnected from motor
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