Single-Function: CS720, CS725, CS727, CS728, C4150, CS820, CS827 and C6160
Multifunction: CX725, CX727, XC4140, XC4143, XC4150, XC4153, CX820, CX825, CX827, CX860, XC6152, XC6153, XC8155, XC8160 and XC8163
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.
Reboot the device or awaken it to return to a Ready state.
Check your printer's firmware level. xref_Check_xref
for general instructions. xref_Check_xref
Based on your device's existing firmware-code level, you can update to the firmware levels suggested below:
PP.031.088 or earlier
Update to PP.033.098 or later. (FW3.3.98)
PP.31.089 or later, which indicates FW3.3 may not have all implemented fixes.
PE-firmware release xx.033.117 or later.
Update firmware. Badge Reader Does Not Work when Printer Is in Standby and Sleep Mode
for general update instructions.
Still Need Help?
Have the following available when calling Lexmark Technical Support;
Printer serial number
LEGACY ID: SO8315