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mrfuser
06-19-2019, 10:47 PM
OK looks like the gate is not operating properly And we have increase the tension on the spring we are still getting jam so do we need to replace that whole exit assembly?

escalante
06-19-2019, 11:09 PM
C284e - J32-01 (http://www.copytechnet.com/forums/konica-minolta/105678-c284e-j32-01-a-2.html)

Enviado desde mi SM-J701M mediante Tapatalk

REGSIS
06-20-2019, 08:37 AM
OK looks like the gate is not operating properly And we have increase the tension on the spring we are still getting jam so do we need to replace that whole exit assembly?

Replace: A161R72644 Soleniod assy
Problem solved.

arahael
06-20-2019, 09:38 AM
remove sponges at gate and right cover. and check that solve your problem

SAR
06-20-2019, 02:47 PM
42912 If your 32-01 jam is happening on the first copy of a 2 sided run, then as Regsis mentioned, this solenoid assembly will fix it. You can also just order the Holding Part which is attached to the solenoid to fix the 32-01 jamming problem. The part number is A7PU890800 for the holding part.

copier addict
06-20-2019, 08:21 PM
I have just used a small metal piece and screwed it into the top of lever to "force" gate to open.

REGSIS
06-24-2019, 07:54 PM
Nice one. ;)

That's exactly what "holding part" which is included in modified solenoid assy is designed to do.

Solenoid assy is pretty cheap around 5 $/€ and is not worth loosing time with improvisations.

tsbservice
06-24-2019, 08:31 PM
Nice one. ;)

That's exactly what "holding part" which is included in modified solenoid assy is designed to do.

Solenoid assy is pretty cheap around 5 $/€ and is not worth loosing time with improvisations.

Cool if you have new part in stock, if not 5 bucks + one more visit and unhappy customers ;)

copier addict
06-25-2019, 01:26 AM
Nice one. ;)

That's exactly what "holding part" which is included in modified solenoid assy is designed to do.

Solenoid assy is pretty cheap around 5 $/€ and is not worth loosing time with improvisations.

This takes about five minutes, no need to stock parts I may never use. No brainer for me

Oystercopy
06-25-2019, 01:33 AM
I believe this can be solved by putting a spacer in between the solenoid and the frame. It has to do with the solenoid staying open longer than necessary during duplexing operation.
OC

mrfuser
06-25-2019, 02:56 AM
How can it be 5 minutes? Especially when you have a bridge unit for the finisher? Stupid screw behind plastic piece under control panel makes it most time consuming. Am I missing something?



This takes about five minutes, no need to stock parts I may never use. No brainer for me

Synthohol
06-25-2019, 03:35 AM
LOL, a bit of overkill :)
for a long time i just use 2 stickers from the panel stickers in the area shown in yellow. just stick them behind the pintle where it contacts the frame.
it keeps the solenoid partially engaged and never jams again.
http://www.copytechnet.com/forums/attachments/konica-minolta/42951d1561430108-c364-32-01-exit-jam-overkill-jpg

mrfuser
06-25-2019, 04:02 AM
Good info still can’t get to the solenoid without a lot of work though

MVPunisher
06-25-2019, 01:12 PM
LOL, a bit of overkill :)
for a long time i just use 2 stickers from the panel stickers in the area shown in yellow. just stick them behind the pintle where it contacts the frame.
it keeps the solenoid partially engaged and never jams again.
http://www.copytechnet.com/forums/attachments/konica-minolta/42951d1561430108-c364-32-01-exit-jam-overkill-jpg




This is the fix right here if you dont want to come back with parts. I have done this exact thing probably 30 times and it fixes it every time. I keep hard mylar in my bag for just this purpose.

mrfuser
06-25-2019, 04:37 PM
So this solenoid is the one buried behind plastic piece down behind the control panel area correct?

copier addict
06-25-2019, 05:14 PM
So this solenoid is the one buried behind plastic piece down behind the control panel area correct?

Yes. When I said five minutes I meant after assembly was removed from machine.

Synthohol
06-25-2019, 09:53 PM
i dont even remove the assy, i take out 1 screw for the plastic cover, twist it until the plastic breaks from the front screw (unless i have time for the 4 screws on the white panel) and slip the stickers in on the end of a paperclip and kinda rub them in place.
truly a 5 minute job if you are good with the game Operation ;)

copier addict
06-25-2019, 11:13 PM
i dont even remove the assy, i take out 1 screw for the plastic cover, twist it until the plastic breaks from the front screw (unless i have time for the 4 screws on the white panel) and slip the stickers in on the end of a paperclip and kinda rub them in place.
truly a 5 minute job if you are good with the game Operation ;)

Jeez, I'm not going to damage a customer's machine simply to save some time. To me that is a bit extreme. Just my two cents worth.

Synthohol
06-26-2019, 12:19 AM
sorry, that was for the 'benefit' of another tech. it was a facetious remark.

mrfuser
06-27-2019, 12:42 AM
If I ever see this code again I making the client trade in their machine LOL !

I tried everyone’s fixes to no avail and ended up just replacing the entire exit assembly and it works fine now !

John Kaufmann
12-25-2019, 08:33 PM
... ended up just replacing the entire exit assembly and it works fine now !
If you replaced the assembly, do you recall if the new one was any different on the gate, or just on the actuator (using the A7PU890800 Holding Part modification on the solenoid actuator).

The reason I ask: all of the fixes of this longstanding [at least: 4, 4e and 8 series] problem deal with the actuator, while the problem appears to originate in the exit gate fingers ("Guide Lever" A5C1890401). As noted in the attached pic, the exit curve is approximated by three straight segments, and jams seem to occur always at the inflection point between the first and second segment, which the leading edge of paper or cardstock hits. The 2mm stop on the solenoid plunger changes the angle of that second segment enough to make it more forgiving (a close compromise: adding much more to the stop would constrict entry to the exit assembly). Presumably the other mods do the same. works.]

To summarize those fixes, in order of increasing hardware cost (and decreasing labor cost):

2mm solenoid plunger stop, introduced in 2016 via KBA01500433.
Change in spring tension / modified spring, introduced in (?).
A7PU890800 Holding Part, introduced in 2018, which modifies the solenoid actuator.
A161R72644 Solenoid Assembly (original assembly modified with A7PU890800), introduced in 2018.
A7PUR75400 Paper Exit Assembly.

Is that last (5) the part number you used? Does it have a modification of the original Guide Lever to make the fingers curved, rather than straight line segments? - or does it just rely on the updated actuator to avoid jams?

Lync
01-08-2020, 04:59 AM
I adjusted the upper and lower stop positions on the solenoid assembly to fix this issue on a C659.

John Kaufmann
01-08-2020, 01:21 PM
I adjusted the upper and lower stop positions on the solenoid assembly to fix this issue on a C659.
Adjust how, specifically?

Still hoping mrfuser will respond to the question posed in post #21, about the guide lever fingers of the replacement exit assembly (p/n A7PUR75400).

Lync
01-08-2020, 10:19 PM
Adjust how, specifically?

Still hoping mrfuser will respond to the question posed in post #21, about the guide lever fingers of the replacement exit assembly (p/n A7PUR75400).


Hi John,

i have just taken the solenoid assemblies out of a C364 and a C659 and they are completely different. The C659 allows you to move the assembly back and forward whereas the C364 is fixed.


4454644547

John Kaufmann
01-09-2020, 04:25 AM
I have just taken the solenoid assemblies out of a C364 and a C659 and they are completely different. The C659 allows you to move the assembly back and forward whereas the C364 is fixed.
4454644547
Ah, nice! I see what you mean. It's an interesting design study (the C364 modified with the 2mm plunger stop, the return spring temporarily disconnected): With its heavier solenoid and spring, it's clear that the C659 is designed for faster and more positive operation. Given that willingness to spend more on the actuation, I would love to know how its guide lever fingers are shaped (curved or straight-line segments).

Lync
01-09-2020, 04:43 AM
Ah, nice! I see what you mean. It's an interesting design study (the C364 modified with the 2mm plunger stop, the return spring temporarily disconnected): With its heavier solenoid and spring, it's clear that the C659 is designed for faster and more positive operation. Given that willingness to spend more on the actuation, I would love to know how its guide lever fingers are shaped (curved or straight-line segments).


Here it is John

4455744558

John Kaufmann
01-09-2020, 05:24 AM
Here it is ...
44558
Great! - it's what I would hope for in any redesign of the exit assembly: generally smooth curve - more forgiving than the straight-line segments of lower-speed models like this:
44560

mrfuser
01-16-2020, 05:36 PM
I replaced entire exit assembly and that fixed it

John Kaufmann
01-16-2020, 06:20 PM
I replaced entire exit assembly and that fixed it
Yes, that's what you said in post#20 of this thread. But the follow-up question was, How was the new exit assembly different? - just on the actuator side (which we know has changed), or also on the guide lever fingers (as Lync showed for the C659 in post#26). Given the observation in post#21 that:

(a) the guide lever fingers approximate the exit curve with three straight-line segments, and
(b) the jams occur where the angle changes between the first and second segments,

the question is whether the replacement exit assembly also modifies the design of the guide lever fingers. Did you notice, or do you know?

mrfuser
01-16-2020, 06:54 PM
Sorry, not sure I took it off a donor machine

mrfuser
05-30-2020, 05:55 PM
I replaced the entire assembly from a donor machine and it has worked fine ever since. I didn’t have time to try each individual part, sorry.


If you replaced the assembly, do you recall if the new one was any different on the gate, or just on the actuator (using the A7PU890800 Holding Part modification on the solenoid actuator).

The reason I ask: all of the fixes of this longstanding [at least: 4, 4e and 8 series] problem deal with the actuator, while the problem appears to originate in the exit gate fingers ("Guide Lever" A5C1890401). As noted in the attached pic, the exit curve is approximated by three straight segments, and jams seem to occur always at the inflection point between the first and second segment, which the leading edge of paper or cardstock hits. The 2mm stop on the solenoid plunger changes the angle of that second segment enough to make it more forgiving (a close compromise: adding much more to the stop would constrict entry to the exit assembly). Presumably the other mods do the same. works.]

To summarize those fixes, in order of increasing hardware cost (and decreasing labor cost):

2mm solenoid plunger stop, introduced in 2016 via KBA01500433.
Change in spring tension / modified spring, introduced in (?).
A7PU890800 Holding Part, introduced in 2018, which modifies the solenoid actuator.
A161R72644 Solenoid Assembly (original assembly modified with A7PU890800), introduced in 2018.
A7PUR75400 Paper Exit Assembly.

Is that last (5) the part number you used? Does it have a modification of the original Guide Lever to make the fingers curved, rather than straight line segments? - or does it just rely on the updated actuator to avoid jams?

John Kaufmann
05-30-2020, 08:13 PM
I replaced the entire assembly from a donor machine and it has worked fine ever since. I didn’t have time to try each individual part, sorry.

Thanks for getting back on that question. I have a machine that's still not reliably duplexing heavy cardstock, so may do that.

mrfuser
05-30-2020, 08:57 PM
in my 30 years I have never seen any machine duplex card stock reliably

QUOTE=John Kaufmann;1489097]Thanks for getting back on that question. I have a machine that's still not reliably duplexing heavy cardstock, so may do that.[/QUOTE]

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