toshiba e-studio 2550c toner not recognized

[bruce 49dcs]

machine worked great at the shop so i delivered it now it says ck toner not recognized it also said replace magenta so i calibrated the magenta dv and that went away but still says ck toner not recognized all toners show 70 % or better
all are oem i also replaced the toner motor and sensor board no help
is there a secret 08 code like 08-499 which did not work
any help would be great
thanks
bruce

[SalesServiceGuy]

Re: toshiba e-studio 2550c toner not recognized

Check that the springs on the CTIF board which connect with the contacts on the toner are all pointing straight forward.

Replace the CTIF board as they are not expensive. There should be enough extra cable length to connect a new board but it is an awkward spot.

[bruce 49dcs]

Re: toshiba e-studio 2550c toner not recognized

I replaced the board first and no good do you know why it says ck toner not recognised does the ck mean check or cyan and black

[SalesServiceGuy]

[gliderider]

Re: toshiba e-studio 2550c toner not recognized

Had the same problem a couple of years ago. Go into job status and verify which color(s) are not being recognized. Change those toner cartridges. I went through the same process as you and it ended up being nothing more than bad crum chips on the offending toner cartridges.

[bruce 49dcs]

Re: toshiba e-studio 2550c toner not recognized

thanks gliderider that prompted me to replace the black and cyan which seemed improbable but somehow I had put tfc50 c ND K instead of tfc30 now all is well