This error code relates to an issue with the feed motor that drives the optional tray 2 assembly. To troubleshoot this error, please try the following steps:
1. Power off the Printer
2. Remove all communication cables (USB or Ethernet, depending on set-up).
3. Clear any jobs from the print queue
4. Power the printer on and determine if error recurs.
5. Remove the Optional tray 2 Assembly from the printer and re-start it to verify if error has cleared.
For further Instruction on Installing and removing the Optional Tray 2 Assembly, please see the 'Installing the Optional 250-Sheet Feeder' section of the 2150/2155cn User Guide
6. If error has cleared after removing the original Optional Tray 2 Assembly, please try another from a working Dell 2150/2155cn laser printer, if available.
7. If the error recurs with a working optional tray 2 assembly, or none is available, please contact Dell Technical Support
This error relates to an issue with an internal motor on the printer. If a 007-371/372 error is displayed on the LCD Display, please try the following steps:
1. Power off the Printer
2. Remove all communication cables (USB or Ethernet, depending on set-up).
3. Clear any jobs from the print queue
4. Power the printer on and determine if error recurs.
5. If error recurs, please try running a diagnostic test on the main motor in "Customer Mode".
Running Digital Output Motor Test
-> Power off the printer.
-> Power on the printer while pressing "up" and "down" keys.
-> Release the keys when "Diagnosing..." is displayed.
-> "Customer Mode" and "IOT Diag" are displayed. (Now in the Customer Diag mode.)
-> Press "Tick" key.
-> Press "Down" key to select "Digital Output", and then press "Tick" key.
-> Press "Down" key to select DO-0
-> Press "Tick" key twice to execute the test
-> Leave the main motor running and press the Down Arrow until DO-a is displayed.
-> Press "Tick" key twice to execute the test
-> Listen to hear if there is an audible change in pitch of the motor noise
NOTE: To exit the test, press the "Cancel" key. To return to the previous menu, press the "Menu" key.
6. If the change in pitch is not heard or a grinding or banging noise is heard, when the motor runs, Please contact Dell Technical Support
7. If the change in pitch is heard and there is no abnormal noise, cycle the power on the printer to restart in normal mode.