When the printer has reached Sleep Mode 3 it may not wake from sleep mode when a print job is sent via USB.
Press [ ]Energy Saver to bring the machine out of Sleep Mode, the print job sent via USB should begin printing immediately.
To change the sleep mode setting so the printer will wake when a print job is sent via USB follow the procedure below:
1. Press [ ]Online to place the printer offline.
2. Press [ ]Settings.
3. Make sure <Control Menu> is selected, then press [OK].
4. Press [ ] or [ ] to select <Sleep Mode>, then press [OK].
5. Press [ ] or [ ] to select [Mid (Printer Sleep)] or [Low (Panel Sleep)], then press [OK].
6. Press [ ]Online to put the printer back Online.