Solving error code C0840001 on HP printers

The error code C0840001 appears on HP printers like D1660, F2180... Sometimes, you can ear a grinding noise.


Solution 1:

• Turn printer off.  
• Open the door.
• With a flashlite, look inside to the right side where is a small tray that slides forward and backwards.  
• Push the tray forward until it stops then move it backwards until the little black tab on the right is 1/2 inch from the metal part of the carriage.  
• Close the door.  
• Turn printer on.  

Solution 2:

• Look for a spring and lever arm with some small gears. It is located to the left of the printer, near the guide rail. 
• Put a couple of drops of oil on the gears and lever pivot shaft.

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Solving error message "clean sensor" on Epson Aculaser C2600

Le message "Clean Sensor" ou "Détecteur Nettoyage" a plusieurs causes.


Solution 1:

• The firts thing to do: open the cover (cover D):

• Close it very slowly: it will clean the sensor.
• Do it 2 or 3 times in succession:

Solution 2:

• Open the front cover (cover D)
• Remove the waste ink box.
• Clean the photoconductor wire: hold the cleaning knob and move it slowly in and out a few times (5-10 times):

• Clean the exposure window: hold the knob (under the photoconductor cleaning knob) and move it slowly in and out a few times (5-10 times). 
• Put back the waste ink box.
• Close the cover
• Power off the printer during 5 minutes

Solution 3: When using remanufactured toner.

• Verify each toner.

Solution 4:

• Look inside the transfert belt if a roller did not go out of its axis.

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How to solve USB001 Operator error on printers

Solutions for "USB001 Operator error":


Solution 1:

• Disconnect the USB cable and the power cable from the printer. 
• Power off the printer and the central unit.
• Wait a minute.
• Connect the power cable to the printer.
• Power on the printer and open the cover. 
• Power on the central unit and connecte the USB cable to the printer.
• Closer the cover.

Solution 2:

• Uninstall the driver of the printer
• Reinstall the driver.

Solution 3:

• Try another USB port.

Solution 4:

• The electronical car of the printer may be faulty.

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How to reset waste ink pad on Canon Pixma MP280

Error P07 means the waste ink counter is full.

Solution 1:

1. First, search and download the Service Tool V1074.

• Turn off the printer
• Hold down the "stop/reset" and press the "power" button without release it.
• Release the "stop/reset".
• Press the "stop/reset" button six times and release the two buttons.
• The printer is now in service mode.
• Extract the Service tool and the file to open service tool page
• Find the "clear ink counter" section and click on the "main" button.
• Scroll down to find "ink absorber counter" on the left and to the right of that "counter value".
• Ink absorber counter box should read "main" and counter value reads "0".
• Click the set button to the right of the counter value box.
• The printer will now make some noise and will print a page of paper,.
• A message will tell you when the process has been completed.
• Click on the prompts.
• Turn the printer off wait a few seconds and turn it back.

Solution 2:

• Unplug power and USB cable.
• Open door and hold power button.
• Connect power.
• Close door, then release power button.  

Solution 3:

• Service tool V3400 for resetting Canon printers counter 

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Solving error code 2,140,21 or 2140,21 on Canon printers

MAJ 11/06/17

Error 2,140,21 or 2,157,50 appears on Canon printers when the scanner is used.

• "Printer is in use or an error has occurred. Check status. Scanner driver will be closed. Code : 2,140,21"

Solution 1:

• On Windows: go to "devices"
• Click on "Printer"
• Click on "Stop printing".

Solution 2:

• Reinstate the driver of the printer.

Solution 3:

• Turn off the firewall

Solution 4:

• Sometimes, replacing the cartridge could solve the problem.

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