How to check error HP machine and Printer HP 3035 3027 4345 5035 and other

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On the left side of the device, underneath the scanner assembly, make sure the scanner lock is in the unlocked position. Turn the device off, then on. If the message reappears, record the message and contact support. This problem affects scanning, but some printing functions might still be available. OK 30.01.08 - Scanner failure