Canon imagePROGRAF iPF850 User Guide - Page 646
Other problems, The printer does not go on, Cannot operate from the Control Panel
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The printer does not go on Other problems iPF850 The printer does not go on ...646 Cannot operate from the Control Panel ...646 The printer takes time to start up ...646 If the Printer Makes a Strange Sound ...647 Messages advising to check the maintenance cartridge are not cleared 647 The printer consumes a lot of ink ...647 Ink Level Detection ...647 The printer does not go on Cause The printer is unplugged. The specified voltage is not supplied. Corrective Action Plug the power cord into the outlet, and then turn on the printer. Check the voltage of the outlet and breaker. (See "Specifications.") ➔P.674 Cannot operate from the Control Panel Cause The control panel access lock is set. Corrective Action Release the control panel access lock. (See "Setting Control panel access lock.") ➔P.465 The printer takes time to start up Cause The printer may have shut down incorrectly last time. This may happen after power outages or if the printer is unplugged before it is turned off. In this case, the next time power is restored, the printer's hard disk is checked, and startup may take some time. Corrective Action Please wait a while, because it may take several minutes to finish checking the hard disk. If an error message is displayed after the hard disk check, follow the instructions indicated to resolve the problem. Troubleshooting Other problems 646 User's Guide
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