HP LaserJet 2550n Printer "remove scanner error laser" Questions

...scanner and remove and clean up all the optics to include the main mirror in the front. I usually use a damp q tip and for the mirror I slide up from toner cartrdige shutter area and observe from the ...

...&52 for laser scanner assm. For tec guys only: Open laser scanner assembly, remove laser scanner motor rotor, lubricate the shaft fix it back. (dont do this job with bare hands) check best of ...

...remove it. Plug the all-in-one directly into the wall socket. 3. Check the FFC connection between the formatter and the scanner. NOTE Do not bend or fold the FFCs during the removal or reinstallation ...

scanner motor connector is firmly seated in connector J402 on the ECU. You might have to remove the main cooling fan to see this connection. 3. Verify that the ribbon cable installed in connector J403

...remove the ECU inorder to verify this connection.4. If, after checking the cables, themessage persists, replace the laser/scanner5. If, after replacing the laser/scanner,the message persists, replace ...

...scanner error Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize. If a surge protector is being used, remove it. ...

...error will automatically be reprinted. 2. Turn the printer off and then on. 3. Reseat cables to the laser/ scanner and engine controller. 4. Replace the laser/scanner. 5. Replace the DC controller. ...

scanner error or a memory malfunction. If you hear noise from the laser when it starts to print, then the laser bearings are dry. You have to carefully remove the laser assembly and add a few drops of

...scanner and remove the four screws attaching the scanner to the frame. When replacing the scanner make sure the shutter control arm on the left front side of the scanner is attached correctly so that ...

scanner out. I swapped it with the Magenta laser, and sure enough, the same error came up with M instead of K. So, I got ready to order a reman'ed laser/scanner, and was just about to click "checkout,