I have been trying to get past this error for days now. I changed from a power dead motherboard to a known good motherboard and no problem. I purchased a new motherboard. I put it in first thing it said was pcb mismatch so I updated that in maintenance mode. now I have changed the battery....(possible original and new batteries are both dead so I will try another one soon) anyways found a suggestion that it could be firmware issues so I updated the firmware to the latest one I could find 5.109_5.001 .... still same problem.
I found suggestions like this for other models
Remember to set RTC with U209 and then execute U906 to cancel error "Maintenance T".
but the m2535dn/l does not have a u209 or a u906 to execute in maintenance mode.
is there a similar option in this printer ?
thanks in advance
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