Your Ricoh printer offline status depends on the communication with its SNMP or WMI protocols. So, to fix his issue, you need to request printer status communication through WMI.
• Launch the 'Print & Share' setting. • Go to 'Profiles' and tap to change it on the upper-right part box. • Tap' General Configuration' in 'Profiles." • After that, choose 'General Setting.' • Modify the communication method to 'WMI.' • Next, click 'OK.' • Save your setting. • Lastly, print a document. You'll be able to print it.