Ricoh mpc 5503 toner not set

[CPCoffice]

I have a problem where this machine will randomly say "toner not set" i have replace the engine iob, toner bottles, toner hopper for yellow and magenta. Thanks

[Phil B.]

I have a problem where this machine will randomly say "toner not set" i have replace the engine iob, toner bottles, toner hopper for yellow and magenta. Thanks

do a search here ..for your issue there have been multiple posts on this issue.