Entering sleep mode fails and Exiting sleep mode is sluggish

Issue description

Failure to enter sleep mode is accompanied by the message, "CANNOT ENTER SLEEP MODE: The devcie is busy and cannot enter Sleep Mode." Also, a secondary symptom exhibiting a delay may be seen when exiting Sleep Mode.

Solution

To resolve this issue, make sure to update the printer firmware to the latest version. Please refer to the Firmware Update Instructions for steps in updating the printer firmware.

If the issue persists, search for more information related to this issue or contact support for further assistance.