My p1102w laserjet refuses to stay in sleep mode so that it will stay visible on the network and accept wireless print jobs. The printer sleeps after 5 minutes, but then completely shuts off at 4 hours. I have changed the device settings through the control panel on each machine connected to the network to "never shut off" and still no positive results. I did not have problems until installing a new wireless router 2 months ago. I have also changed the wireless security settings back to "TKIP + AES" again with no results. The printer works perfectly as long as it is physically turned on or requested during the 4 hour sleep period. Any suggestions?
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