4110 error 91-914

[bojans]

Hi,

After replacing drum in 4110 constantly getting error 91-914 after 50-100 copies. Consumable not properly seated.
It also had error 61-320 but after cleaning and adjusting drum detect switch it has gone.
My friend who has one 4112 machine told me that he resolved this problem by changing IOT NVM pwb. Wouldn't like to order this pwb and have the same error.
Any suggestions would be appreciated.
Thanks

[Milo Wilson]

Ther is a front sensor on the outboard side where the drum slides in that can give this fault

[bojans]

Thank you Milo,
That sensor is in place, and I believe that it's working.
What you suggest, to change it?

[XDE-774]

this is extract from FIP at PWS
hope this can solve your problem

091-914 Drum CRUM Communication Fail
BSD on:CH9.2
Description
A communication failure with Drum CRUM


Procedure
Turn OFF then ON.


091-914 remains displayed.
Yes No


| It is highly likely that the MCU PWB made a faulty detection due to some external noise or internal discharge-related noise. Check if there are any noise sources around the machine and if any abnormal discharge has occurred.
|
|
Turn off the power. Disconnect and reconnect the following connectors:


J406 on the MCU PWB


P/J171 on the Drum CRUM PWB


If the above action does not resolve the problem, replace the following in order:


Drum Cartridge


Drum CRUM PWB (PL 11.2)


MCU PWB (PL 2.1)

[zagrex]

091-914 Drum CRUM Communication Fail

BSD On

CH9.2

Description

A communication failure with Drum CRUM


Procedure

CAUTIONThe HCF3 has it’s own power cord. Whenever a procedure states to Power Off and then Power On, POPO, etc., powering Off and then powering On the IOT does NOT Power Off the HCF3. The HCF3 will have to be Powered Off and then On separately from the IOT by unplugging the HCF3 power cord.

Turn the machine OFF then ON.
091-914 remains displayed. Yes No Unanswered
It is highly likely that the MCU PWB made a faulty detection due to some external noise or internal discharge-related noise. Check if there are any noise sources around the machine and if any abnormal discharge has occurred.


Turn off the power. Disconnect and reconnect the following connectors:

• P/J406 on the MCU PWB
  
• P/J171 on the Drum CRUM PWB

If the above action does not resolve the problem, replace the following in order:

• Drum Cartridge ( PL 11.3)
  
• Drum CRUM PWB ( PL 11.2)
  
• MCU PWB ( PL 2.1)

Hi,

After replacing drum in 4110 constantly getting error 91-914 after 50-100 copies. Consumable not properly seated.
It also had error 61-320 but after cleaning and adjusting drum detect switch it has gone.
My friend who has one 4112 machine told me that he resolved this problem by changing IOT NVM pwb. Wouldn't like to order this pwb and have the same error.
Any suggestions would be appreciated.
Thanks

[knightfall]

try popping the old drum back in even at 0% there is still a few copies left on the drum, if code goes away then bad drum if now then crum pwb and mcu.
good luck

[bojans]

Thank you.
I have tried with old drum first, but same thing.

[Tropix]

Thank you.
I have tried with old drum first, but same thing.

Today i have same problem do you solve it ?

[zagrex]

Content URL:	"pws://busrec/EKA-4110/XC0522511459907169163161380829970227.dat"

SourceName:	4110F, 4112F, D110F Tech Eureka
Applies to:	4110	Distribution:	Xerox
Fault Codes:	091-912, 091-914, 091-915, 091-921, 091-916	Chains:	09

Problem:


The Customer complains that the machine keeps asking them to reseat the drum cartridge, and if the cover plate is on the drum it makes the machine inoperative. Fault History records 091-xxx fault codes. Reseating the Drum module gets it running, but it happens again. Sometime a new Drum cartridge works from new to end of life but others exhibit this problem.
To test if this is your problem pull on the module without releasing the latch. If it pulls out easily, you have a problem.
A properly biased latch should hold it even when you pull on it (within reason).




Cause:


The Xerographic Latch doesn't have enough spring to hold it in place.The image below shows a good one where the sliding pin is sitting at the top of the cutout. A bad one won't spring back to the top of the sliding cutout. (Took the picture after I fixed it).
1.jpg











During a run, the module would get pushed out of the machine just enough to give a bad reading. A good push on the module would clear the fault temporarily.

I've used 2 methods: The 1st was to warm up the plastic that acts as the spring to bias it more in a way as to provide more spring in the latch. To do this, remove the latch. It can be removed without much effort.

2.png





<------Spring

The 2nd was to add some material to the area where the latch "spring" pushes. In the photo, I used a pad from another machine and covered it with scotch tape. It increased the bias of the latch keeping it in place. I've seen this problem on 3 out of 6 of the modules my customer has received.

3.png






<-------------added spacer & tape in here (latch is removed)

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860493.Reseat Drum or Drum Not In Position messages 2009-08-05 00:46:08