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javier4065
07-17-2008, 08:47 PM
I have a big prblem with this copier dialta 351 display says install image unit no change, I put a fuse, and the copier is ready then I open the right door and close it ,install image unit is displaying again. thanks.

deep
07-17-2008, 09:14 PM
"Install Image Unit" means the machine cannot detect the IU.

Take it out and clean the metallic contacts on the side frames.

fixthecopier
07-17-2008, 10:40 PM
Go back to where you put in fuse, if you left it loose it may not be making contact.

DarthAlbin
07-17-2008, 11:55 PM
You will also want to make sure the fuse is of the proper rating. An over or under rated fuse will not clear the code properly. If it's an under rated fuse, you may need to replace the fuse again. Ohm out the fuse to make sure it hasn't blown already.

deep
07-18-2008, 02:17 PM
Please note the title of the original poster.

javier4065
07-19-2008, 01:38 AM
thanks for your answers but I can not solve it.I clean all contacts into machine and the imagen unit too.I want to know how the copier check the imagen unit, Any suggestion. I am sorry but I don write english very well I am from peru thanks

deep
07-19-2008, 05:34 AM
Make sure the IU is properly installed. You should push the IU all the way into the copy machine.

What is the message shown on the screen? (Install Image Unit or Replace Image Unit) ?

I want to you to check it again. It is a big different.

javier4065
07-19-2008, 09:14 PM
thanks for your help deep ,the message is install image unit , I pushed in it all the way. I can close the right door. The customer said me that the screen was displaying replace imagen unit,but the machine was copying. this week the copier was stopped and the message replace imagen unit was not blinking. He called a technician and he put the fuse and he didnt back.now I have this problem.

deep
07-19-2008, 11:23 PM
You should notice that there are two components connected on the connector, one is what we call it a "fuse" (1/16 Ohm) for reseting the "Replace Image Unit" Message. The other is a resistor (~38 Kilo Ohm). Check this resistor with a multi-tester. Make sure it is good (Not open circuit). Also check the "golden contacts" on the connector are all good.

If the error persists, try it with a known good image unit. If the "Install Image Unit" Message is still there, there may be something burnt by putting the fuse incorrectly.

javier4065
07-20-2008, 02:38 AM
thanks mr. deep where is the 38 kilo ohm resistor? I need solve this machine.

deep
07-20-2008, 07:39 AM
I hope it can help.

DadO
07-21-2008, 08:50 AM
When u take out the drum unit look at the connector whit an golden pins on it. Under it should be an 2 black screws. Check the 1/16 resistor.It should be whit green color(depends from manufacturer) . Drum ratings in Service mode should be under 205.

DadO
07-21-2008, 08:52 AM
lol deep we posted in same time :D

deep
07-21-2008, 10:04 AM
lol deep we posted in same time :D


No Sir.....I'm one day earlier.:D:D:D:D:D

javier4065
07-21-2008, 02:12 PM
Thanks friends ,You have the reason the resistor was open. That was all the problem.

feeder_supply
05-28-2009, 12:18 AM
thanks mr. deep where is the 38 kilo ohm resistor? I need solve this machine.


are you in lima,?.. Peru, then buy the fuse to minolta di -350/250/351/251/200 EN CUALQUIER TIENDA, BUSCA A COPIER MARKET, LA FERIA, AND PIDELO COMO FUSIBLE :mad:

feeder_supply
05-28-2009, 12:30 AM
are you in lima,?.. Peru, then buy the fuse to minolta di -350/250/351/251/200 en cualquier tienda, busca a copier market, la feria, and pidelo como fusible :mad:



luego de cambiar el fusible, te aprece el otro mensaje tons, cambia la resistencia de pequeña la 38, si aun persiste el problema, tons chamge de chip, :d

goldencup
10-01-2012, 08:12 AM
Hi,

As i read this old post i would like to ask about this di-351. I have a case here that the indication in the screen is not "Install" or "Replace" Imaging Unit, mine here indicates "Change Imaging Unit" :D I have no fuse available yet so what i did is get another imaging unit from a different good machine. But still the indication is not removed. Any other suggestions? (adjustments maybe?) Thank you very much.

by the way if i replace the fuse, do i still have to replace the resistor?

Marnas
08-25-2015, 11:14 PM
In regard to the Minolta Di351 error message
*The imaging unit needs to be changed. call your technical representative*

I wanted to thank the posters, replacing the picofuse 1/16 A (63 mA) with a new one, really worked out. As expected the print is not perfect, but it’s acceptable.

Now, I own a giant old machine that I don’t really need. :D

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