HPZ3200 86:01 error code

sharadn

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I posted previously about buying a printer in Zurich. I did buy an HPZ3200 44" and replaced the belt. I am now getting the 86:01 paper jam code on startup and it never completes the initialization process. It is always stuck at this 86:01 error code. I have ran the scan axis calibration a number of times and it seems that the carriage cannot find the middle of the printer. It moves but goes past the middle and then back again the other way past the middle. I am getting an 87:11 error; Fail scan axis length: 1032169. To short. Check path is free. Need mechanical repair. I have also gotten 42:10 error, Fail high friction. I have cleaned the encoder strip and the carriage rail and have also oiled the carriage rail the rear carriage bushing and oiler. When I move the carriage by hand it seems to run quite free except close to the left side when the stiff plastic backing on the trailing cable folds back to accommodate the carriage position. When I use the up and down arrows to move the carriage during the scan axis test it moves properly and then I get a message that says the the encoder is OK. I have inspected the encode strip and it looks OK to me but it seems like it might be the problem. Also the high friction may indicate a different problem. I don't want to just start replacing parts and would like to diagnose the problem properly so I replace the correct part. I would greatly appreciate any help, input or suggested testing paths to identify the problem part. Also suggestions as to where to buy parts for the printer here in Switzerland or Germany. TIA Art
 
None of the felt pieces in the printer bed lays too high and so obstructs the head carriage?
 
Thanks Ernst. I have checked all the felt pieces and they are all laying flat. I did notice a section of the encoder strip that has a bit of haze on it and am wondering if this is the problem. It seems that all the lines are still there though.
 
I posted previously about buying a printer in Zurich. I did buy an HPZ3200 44" and replaced the belt. I am now getting the 86:01 paper jam code on startup and it never completes the initialization process. It is always stuck at this 86:01 error code. I have ran the scan axis calibration a number of times and it seems that the carriage cannot find the middle of the printer. It moves but goes past the middle and then back again the other way past the middle. I am getting an 87:11 error; Fail scan axis length: 1032169. To short. Check path is free. Need mechanical repair. I have also gotten 42:10 error, Fail high friction. I have cleaned the encoder strip and the carriage rail and have also oiled the carriage rail the rear carriage bushing and oiler. When I move the carriage by hand it seems to run quite free except close to the left side when the stiff plastic backing on the trailing cable folds back to accommodate the carriage position. When I use the up and down arrows to move the carriage during the scan axis test it moves properly and then I get a message that says the the encoder is OK. I have inspected the encode strip and it looks OK to me but it seems like it might be the problem. Also the high friction may indicate a different problem. I don't want to just start replacing parts and would like to diagnose the problem properly so I replace the correct part. I would greatly appreciate any help, input or suggested testing paths to identify the problem part. Also suggestions as to where to buy parts for the printer here in Switzerland or Germany. TIA Art
In your last message you mentioned haze on the encoder strip. Hard to say whether that could cause this issue. If you can not clean that haze off then you could try to improve the transparency with some silicon spray or alike, apply with a brush. Just to test the case. The encoder/sensor test probably goes slower than the advancement of the head carriage in normal use which could make the difference on its functioning.

Friction on the carriage path is more likely the cause of this problem. Yet I recall an error like that which I could solve at another spot than the printer bed. The service station has a kind of train with wipers, suction pads, etc. Cleaning the sides where it slides on and applying some liquid soap there reduced the friction and the error did not appear again.

Above you mentioned a stiff plastic backing on the trailing cable. Both my Z3200's 44" do not have that, a single flat cable is used without an additional plastic backing (so no extra foil, film, whatever). Better add an image in this thread to show your setup.

You could apply some silicone spray in that region to reduce the friction of the trailing cable, the same for the way heavier ink tubes that have to slide over the same distance. If the total friction on that carriage travel is reduced the error might disappear. I have done similar things. Usually the firmware checks the speed and how regular the speed is and if beyond tolerance it sends the error message.

Check the belt condition too, nothing wrong with the tooths where it engages the right side driving motor when your error is shown?

I have some parts left from a dismantled Z3100 and a Z3200 44" but first check what I mentioned.


Met vriendelijke groet, Ernst
No photographer's gear list is complete without the printer mentioned !
 
I watched the carriage on startup and it goes all the way to the left and then back to the service station where it bumps a few times. It seems that the 86:01 is occurring at the service station. When the carriage returns to the service station it sits there and bounces for a awhile before the error code comes us. I think that this is the issue. It does not seem that the carriage is being locked when it returns to the right. Maybe your suggestion with soap might the answer. The belt is fine, it is new from LPS and I have double checked all the installation steps and I cannot find an error. I cleaned all the gunk out of the teeth on the scan axis motor also. I spoke with LPS and they suggested that I drop the service station and keep the electronic connections intact. I wonder if I need to just drop the service station and clean it out?
 
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In your case it is probably easier to pull the power cable when the head carriage is halfway initialisation and then remove the right side panel. Then switch off the power button at the rear. Do not replace that inaccesible screw in the front panel edge that binds it to the right cover, makes it way easier the next time for cleaning the service station. You might be able to clean the service station and add some fluid soap at the left and right side edges of that box. The small switch of the print bed lid can be fooled by inserting a piece of plastic so you can keep the lid open. Replace the cartridges and start the printer, watch all the movements, service station, head carriage, etc. If it runs you can moisten and clean the service station further while it runs in and out with some panel functions like head exchange. Check the encoder strip from that side too and the rear bushing part, not broken? up-down switch shifts well?


Met vriendelijke groet, Ernst
No photographer's gear list is complete without the printer mentioned !
 
The rear bushing is OK. I have the cover switch fooled. The carriage is not being capped at the right side under normal start operation. I ran the service station diagnosis and it checks out OK and this will cap the carriage but not when operating normally. When the carriage gets to the right it sits there and bumps for a while. I don't have to do the trick with pulling the power because the carriage is never being capped, it is always loose to slide out of the service station. It seems that the printer may not know that it is back at the service station. That part of the encoder strip looks OK but I will check it again. I have not yet followed the advice from LPS to drop the service station while keeping it wired. I have to pull more parts off of the printer to do that and then I will not be able to test. BTW: The capping screw on my machine appears to be an allen and not torx. I do not have the label that says it is a T10. If I want to use this I will have to source and extended allen key but I don't know what size. As always Thank You!
 
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Yes, the screw there varies between allen and torx based on 4 printers I worked on.
 
I pulled the encoder strip and inspected it. I found a good sized scratch on it towards the right side. I guess that this could be the problem. I did not see it while it was in the printer. I don't think it makes sense for me to go further unless I know that the encoder strip is good. Now I need to source one here is Europe.



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Any tips for hooking up the left side of the encoder strip? I can usually get the first hole over the locating pin without too much trouble but always have trouble getting the second hole to align with the pin. Ideas or tips?
 
I replaced the encoder strip and it seems that the carriage knows that it is at the end of the right side but I am still getting the 86:01 error and the carriage is not being capped. I am running out of ideas here. When I run the scan axis calibration I get scan axis too short 1032832.
 
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I am wondering if I have the correct firmware installed: The printer shows FW version TR12 RB_14.0.1.4. When I go to the HP support page it seems that this version is for the Rev A models and I have a Rev B model. See the photos and screenshot. I would not know how to update the firmware since I cannot get the printer to initialize. It is also not on my network yet. Am I correct that the FW is wrong?
 
I just ran a carriage test and it all passes except the step where the carriage is supposed to "home" on the service station. It then fails and I get a 79:04 error. It seems to have something to do with the NvmLinesensor. I cannot find such a part in the manual. There is of course the line sensor and when tested it seems to pass with all the colors. But the carriage will just not find "home" If I would know what the printer uses to determine this it might help me to diagnose the problem. I did run a senor test and electronic modules test and they all pass.

Carriage test update: The manual calls for carriage Rev to between 0.823 and 1.005; mine is reading PCA Rev 2.319. The manual calls for the carriage voltage to be between 43.6 and 46.3; mine is reading 32.135; The manual calls for the carriage aux voltage to be 5.729 and mine is 5.700; the pens voltage is OK at 29.103.

Do you think that I have the wrong carriage PCA installed?

I found some online posts with the same readings as I have so it seems not be the problem
 
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Recap so far:

This is what the service manual calls for the 87:11 code

2-24 Designjet Z Series — Service Manual
System Error:
87:YZ
Problem Description:
Problem finding the Scan-axis encoder reading.
Corrective Action:
Try the following:
􀂄Upgrade the firmware.[Sharadn: I cannot do this until the printer will initialize]
􀂄Clean the Encoder Strip.
􀂄Replace the Encoder Strip ⇒ Page 6-91.[Sharadn:I have replaced the encoder strip]
􀂄Replace the Carriage PCA ⇒ Page 6-138 [Sharadn: have not done-maybe a solution]

􀂄Replace the Trailing Cables ⇒ Page 6-92 [Sharadn: have not done-maybe a solution]

This is for the 86:11 code
System Error:
86:01
Problem Description:
Problem moving the carriage, most likely due to a paper jam.
Corrective Action:
Try the following:
􀂄Switch the Power OFF from the back of the Printer and disconnect the Power cord. Reconnect the power cord and power On the Printer.
􀂄Open the Window and check for any visible obstacles restricting the movement of the carriage. If there is a wrinkled mass of media inside the paper path, lift the Pinch wheels (using the Media Lever) and clear the obstruction. [Sharadn: I do not see anything that would cause a problem]
􀂄If there is no paper jam or obstacle blocking the carriage movement perform the following:
– Clean the encoder strip.[Sharadn:I have replaced the encoder strip]
– Check the belt assembly.[Sharadn:I have replaced the drive belt]
– All cables and connections between the Carriag PCA, Scan Axis Motor, and Main PCA.[Sharadn:I did not check the trailing cable at the carriage but all else seems to be OK]
– Oil the carriage rails.[Sharadn:cleaned and oiled]
􀂄Perform the Scan Axis Diagnostic Test ⇒ Page 3-6. [Sharadn: Fails with the 87:11 code- Scan Axis Length too short]
􀂄If the diagnostic test does not find any specific error, replace the Carriage Assembly ⇒ Page 6-100.[Sharadn: have not done-maybe a solution]
􀂄Replace the Belt Assembly ⇒ Page 6-115.[Sharadn: Done]
􀂄Replace the Scan Axis Motor ⇒ Page 6-116.[Sharadn:I could do this but I don't think it is the problem]
􀂄Replace the Main PCA ⇒ Page 6-161 [Sharadn: have not done-maybe a solution]

I think that the scan axis motor is OK. The problem may be located in the carriage or trailing cables. If I were going to replace parts should I replace the carriage PCA, the trailing cables and the main PCA? I don't know what else to do at this point besides start to replace parts.
 
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As far as I can tell the encoder sensor is good. I tested with both the oiler and the PRS wedge removed and there is no change. I am still always getting the scan axis length too short 87:11. I have been over this thing multiple times and I am not seeing any physical problems. Maybe I am missing something but whatever it is it is not obvious.
I tested the start wheels and they test OK. The carriage will cap during this test.
There are not a lot of these printers kicking around here in Zurich area. I looked for quite some time and finally found this one, which seemed to be repairable. I could buy a refurbished and working one from Germany for 2K Francs but there are transportation and duty issues to deal with. It seems that I should be able to get this one running but I am somewhat stumped at this point. I did find a new carriage on Ebay from China with all the parts and the trailing cable. I am considering to buy this but there are issues with Paypal and international address which I would need to sort out. Carriage assembly: https://www.ebay.com/itm/186765854174

Code 87:11 calls to Replace the Carriage PCA and the trailing cables in addition to updating the firmware which I cannot do.
Code 86:01 calls to replace the Carriage assembly, the scan axis motor and the main PCA. I just don't think that the problem is the motor.

I placed the order for that carriage. There were cheaper used ones but they would have arrived after I leave to go back to the US. Also since this one was new I thought it better than taking a chance on a used one. This should eliminate everything related to the carriage.
 

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