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Hey all, got my second jv33. had 2.20 version but main board died. Got a new board and it has version 5.45 which RLP5 updater says is special firmware. Tried to upgrade to 6.1 as I have Firmware Updater 3.2 and 6.10 rom But printer just says command error power off. Any know way past this so I...

poor solder job, had that small transistor off to test. swapped from one on the good circuit and no difference

put transistors back in, getting good at it now. picture attached. my repair looks rough but there are no shorts or bridges in the soldier. Removed the 220 resistor and measured on and off board, 22.5ohm. Could there be a short possibly in the IC driver chip? Any thing in this circut I...

they are all original with exception of the ones im replacing them with. But one is the 1742 and the other the 4550. When I repaired it the first time all TP read about 17.5 ohms and tp8 was like 16.9 almost 17. so i figured that was close enough. Second time they blew the reading was more like...

yes, it would seem it is connected to head based on the manual. When I first changed the transistors they lasted about a week, even did a test print. Using a different working head. turned it on to schedule auto cleaning and then later that day I smelled the burning smell. Has new head cables...

Hey all, been into this machine for many years, story short, wont boot, TP8 had no signal, the rest did. Around 17.5k. Caused two transistors to blow, Top row, (3rd and 4th from left), 1741 and 4550. Got them replaced. And got into Download/Upload fine to save parameters, Tried to boot...

thanks I sent you an email. Let me know if you got it. thanks

This method fixed my machine the other day with a suspected Non-OEM Head, It does have the green connector however. If I can only find the Firmware for 5.7, I am looking to gain access to the MAPS anti banding feature.

That parameter #76 method worked for me today./ got my printer back with a suspected aftermarket head? Green connector but It never recognized it.

I understand this update is not available thru the firmware updater anymore? I'm at version 5.0 on my JV33-130. I've just refurbished the machine myself and want to upgrade to 5.7 to gain access to the MAPS function to reduce the banding. Anyone have any luck finding the firmware from any techs?

Hello I am also looking for the 5.7 firmware update for my JV33-130, Does anyone have any luck in finding it. I am currently at v5.0

artbot you mentioned you have a copy of the JF-1631 tech manual. Do you still have a copy. you can write me at kylejbarrett@gmail.com