MP 4055 Wont "Hard Reset" Fuser Error

[laser801]

Hey Folks... Working on MP 4055, Has a Fuser Error... Putting in known good fuser with new Pico fuse plugged into the connector where the blue loop is... Trying to do Hard reset, 5810 #2... Fails all the time! Tried 2 different good fusers...Same...Thanks for any feedback...Haven't done this before...Hope I'm doing it right...The color Machines work all the time with that Pico fuse with the white connector on it... This one driving me crazzzy! Appreciate your help, Laser801

[slimslob]

Re: MP 4055 Wont "Hard Reset" Fuser Error

What exactly is the SC you are getting. Depending on the code, it could be a one of the thermopiles defective, a harness, the PSU or the BCU.

[Popolopo]

Re: MP 4055 Wont "Hard Reset" Fuser Error

Hey Folks... Working on MP 4055, Has a Fuser Error... Putting in known good fuser with new Pico fuse plugged into the connector where the blue loop is... Trying to do Hard reset, 5810 #2... Fails all the time! Tried 2 different good fusers...Same...Thanks for any feedback...Haven't done this before...Hope I'm doing it right...The color Machines work all the time with that Pico fuse with the white connector on it... This one driving me crazzzy! Appreciate your help, Laser801

Try check the thermostat, if they "short", you can't reset at 5-810-002. Need to fix the thermostat first, then can be reset

[laser801]

Re: MP 4055 Wont "Hard Reset" Fuser Error

What exactly is the SC you are getting. Depending on the code, it could be a one of the thermopiles defective, a harness, the PSU or the BCU.

Thanks for your response...Well, We have actually been trying this "Known good" Fuser unit with the "Good" Pico Fuse on three different units... One had an SC545...One had an SC554...and the third had an SC 561... I can put this Fuser unit into a working machine and it's fine...I pulled the fuse out and there was continuity... Am I missing something here??? I have done this once before and it worked a while back...For some reason it won't complete the 5810 #2.... The fuse does go where the blue loop is, Correct??? Is there a certain sequence in the reset that should be followed... Going crazzzzy here! Did the 3701 New Fuser as well... HELP !! before I go back to servicing Typewriters !!!

[laser801]

Re: MP 4055 Wont "Hard Reset" Fuser Error

What exactly is the SC you are getting. Depending on the code, it could be a one of the thermopiles defective, a harness, the PSU or the BCU.

Sorry... I replied in length down below... I respect your thoughts on this...

[anothertech]

Re: MP 4055 Wont "Hard Reset" Fuser Error

HELP !! before I go back to servicing Typewriters !!!

Well then you won't be very busy, I never see typewriters in the field anymore.

[slimslob]

Re: MP 4055 Wont "Hard Reset" Fuser Error

Thanks for your response...Well, We have actually been trying this "Known good" Fuser unit with the "Good" Pico Fuse on three different units... One had an SC545...One had an SC554...and the third had an SC 561... I can put this Fuser unit into a working machine and it's fine...I pulled the fuse out and there was continuity... Am I missing something here??? I have done this once before and it worked a while back...For some reason it won't complete the 5810 #2.... The fuse does go where the blue loop is, Correct??? Is there a certain sequence in the reset that should be followed... Going crazzzzy here! Did the 3701 New Fuser as well... HELP !! before I go back to servicing Typewriters !!!

The only thing common for those 3 codes is the BCU.

[davel]

Re: MP 4055 Wont "Hard Reset" Fuser Error

Have a look at a new fuser, from memory the fuse does not go where the loop is.

[copier tech]

Re: MP 4055 Wont "Hard Reset" Fuser Error

You need to fit a NEW fuse, if you are taking a 'known good fuser' the fuse would already have blown.

[sandmanmac]

Re: MP 4055 Wont "Hard Reset" Fuser Error

The fuse doesn't go where "the loop is"
PICO Fuse.pdf

[luca72]

Re: MP 4055 Wont "Hard Reset" Fuser Error

Hey Folks... Working on MP 4055, Has a Fuser Error... Putting in known good fuser with new Pico fuse plugged into the connector where the blue loop is... Trying to do Hard reset, 5810 #2... Fails all the time! Tried 2 different good fusers...Same...Thanks for any feedback...Haven't done this before...Hope I'm doing it right...The color Machines work all the time with that Pico fuse with the white connector on it... This one driving me crazzzy! Appreciate your help, Laser801

are you talking about the complete fuser, or just the sleeve/heater?...make sure the code is for that model and the right mains voltage....which sc code exactly you have now?

[ccchuah]

Re: MP 4055 Wont "Hard Reset" Fuser Error

BCU NVRAM got corrupted, try replace the nvram from other and change the bcu serial number. Or reprogram the bcu nvram from the defective ones with a good running ones.

[laser801]

Re: MP 4055 Wont "Hard Reset" Fuser Error

The fuse doesn't go where "the loop is"
[ATTACH]60140[/ATTACH]

Thank You for that info ...Much appreciated ! Laser801

[laser801]

Re: MP 4055 Wont "Hard Reset" Fuser Error

are you talking about the complete fuser, or just the sleeve/heater?...make sure the code is for that model and the right mains voltage....which sc code exactly you have now?

Playing with a machine with a SC545 now... Going to try putting fuse in different location...Thankyou!

[laser801]

Re: MP 4055 Wont "Hard Reset" Fuser Error

BCU NVRAM got corrupted, try replace the nvram from other and change the bcu serial number. Or reprogram the bcu nvram from the defective ones with a good running ones.

Thanks for your help !