Displays message-Close Back Cover. All covers closed.
Same problem Glasspro describes. Machine has worked without a hitch for about two years. I have unplugged for two days, blown out dust, and checked door latches. I've looked for a door sensor but can't find one.
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Check the rear cover on the back of the machine and make certain it's closed. I've found that sometimes a small piece of paper is stuck back there and causes this problem (I have a Brother printer). In any case, the back cover is not closed properly.
All you need to do is close the printer cover if it's open , once it's closed you should be able to print correctly without any warning messages.
If the cover is closed and still you are getting the same message , then it might be a problem with the censor switch which indicates to the printer whether or not the cover is open, so if the switch / sense has gone faulty then you need to repair it.
Sometimes just because of dust the printer does not sense the cover being closed and it results in the error message that you have described.
Hope this helps ...) your feedback would be appreciated.
Open the top and back covers. If you see any jammed paper or other item, gently pull it out, then close the covers. If the error message remains, open and close the covers again. If the FAX/MFC cannot reset itself and return to the date and time prompt, it will display MACHINE ERROR XX. Please call Brother Customer Service and tell them the Machine Error number at: In USA: 1-800-284-4329 In Canada: 1-800-853-6660 In Montreal: 1-514-685-6464
Press the on-line / off-line key on the printer operator panel to set the printer off-line.
Use the upper softkeys to scroll to the 'Replace printhead' card
Press the softkey below the 'Replace printhead' card to enter the wizard. An introduction screen displays the message 'Use this wizard to replace printheads. A roll is needed for calibration.'
Press the key for 'Next'. The screen displays the message 'Select roll to use'. The system does a calibration at the end of the wizard. You can only calibrate on the defined media types. When calibration is not possible with the media available on the printer, the system asks you to load the correct media. When calibration is possible with one of the rolls, the system automatically uses the correct media roll. When calibration is possible with both rolls, use the lower softkeys to select the roll to use.
Press the key for 'Next'. The screen displays the message 'Carriage moving to centre position...' while the carriage moves to the centre. The screen displays 'Open top cover.'
Open the top cover. The screen displays the message 'Replace printheads' and the printheads that you must replace. Find the correct printhead number on the printhead carriage.
Press the front of the printhead cover to unlock the cover.
Open the printhead cover.
Pull out the printhead and remove it.
How to place a printhead
Remove the protective tape from the new printhead.
Do not touch the contact and nozzle areas of the printhead after you remove the protective tape.
Place the new printhead in the printhead holder. The printhead only fits in one way.
Close the printhead cover.
After you replaced the defective printhead, press the softkey for 'Next'
The screen displays the message 'Make sure that all head covers are properly positioned.' Press the key for 'Done'. The screen displays the message 'Close top cover.'
Close the top cover. The screen displays the message 'Carriage moving to home position...'
The screen displays 'Calibrating...'. The calibration process takes several minutes. You can stop the calibration process at any time. Press the key for 'Cancel' to stop the calibration process.
No solution, but I have the same problem. THe printer starts up fine, I hear no grinding noises or other "funny" nioses, and then displays no error message... UNTIL I ask it to print. Then I get a message that says, "Pls (please) Open Cover".
I open the cover and it says "Please Close Cover".
I close the cover and it says, "Please Open Cover"
Well here is what I can tell you.
Open the front cover. Staring you right in the face should be a bar code/number sticker. Look forward from that and there shoule be a small plastic tab, about a half inch long and less then the thickness of a popsicle stick. It is the front cover interlock switch actuator. It may be broken off.
Or look for the opening where that tab should slide into the machine the switch may be dislogded or broken.
Probably that tab has broken off not actuating the switch on that cover.