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thumper525exc
dreaming of medical school
Joined: 03 Jan 2013
Posts: 7
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 Posted: Sat May 11, 2013 1:21 pm Post subject: Oce tds 400 - Light Prints |
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Oce TDS 400 - prints lighter and lighter...recover the developer manually and after a few great prints....lighter and lighter, again.
Replaced the developer, toner hopper, corona wires, drum, developer/toner sensor, and installed a line conditioner to address possible voltage drops when running multiple prints, no improvement.
Any help is appreciated. |
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mark in vegas
doctor
Joined: 20 Oct 2010
Posts: 1852
Location: Las Vegas, NV
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| Posted: Mon May 13, 2013 6:09 pm Post subject: |
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What does recovered the developer refer to? You said you replaced the toner hopper, was the auger sticking out of the tube? Make sure there isn't a blockage in the developer housing where the auger/tube enter the housing. Is the dispenser motor running? It's been a while since I touched a 400 but those are areas that come to mind.Toner sensor?
_________________
Regards,
Mark
RVN 68-69
It's so nice to be insane
No one asks you to explain |
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printertechrep
medical school senior
Joined: 12 May 2011
Posts: 31
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| Posted: Thu May 16, 2013 7:04 am Post subject: |
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| Hi, one easy check would be to dead stop the machine while printing. Open and look at the image on the drum. If the image on the drum is dark and prints are light it would be a transfer issue. If the image on the drum is light it would be a development issue. If you manually add toner to the developer assy and it get darker then the toner density adjustment needs to be done. Hope this is of some help |
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thumper525exc
dreaming of medical school
Joined: 03 Jan 2013
Posts: 7
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| Posted: Fri Jul 19, 2013 12:52 pm Post subject: |
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| mark in vegas wrote: |
| What does recovered the developer refer to? You said you replaced the toner hopper, was the auger sticking out of the tube? Make sure there isn't a blockage in the developer housing where the auger/tube enter the housing. Is the dispenser motor running? It's been a while since I touched a 400 but those are areas that come to mind.Toner sensor? |
The toner dispenser motor doesn't turn on, is there a fuse for that and if so where is it located? |
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printertechrep
medical school senior
Joined: 12 May 2011
Posts: 31
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| Posted: Wed Jul 24, 2013 5:44 pm Post subject: |
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Hi,
are you trying to turn on the motor in service mode or in normal user mode. It will only come on if it is asking for more toner. If you are doing this in service mode you can pull the tube out of the developer assy and see of the auger spring is turning. There is no fuse for that motor. |
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Wrenchturner
intern
Joined: 01 Mar 2005
Posts: 112
Location: Denver,Colorado
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| Posted: Mon Jul 29, 2013 3:09 pm Post subject: |
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| Did you follow the procedure in the TSM when you replaced the developer? |
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thumper525exc
dreaming of medical school
Joined: 03 Jan 2013
Posts: 7
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| Posted: Tue Jul 30, 2013 6:33 pm Post subject: |
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| What is the procedure listed in the TSM? |
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Wrenchturner
intern
Joined: 01 Mar 2005
Posts: 112
Location: Denver,Colorado
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| Posted: Wed Jul 31, 2013 10:48 am Post subject: |
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when you change the developer, you need to do it in SDS mode and run the developer replacement procedure. This resets the voltages and toner values so the machine knows when to add toner as you print.
Depending on your software load, you may need to have a service laptop connected to the controller to do this with Lotus notes.
Otherwise, you will never get this problem resolved..... |
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thumper525exc
dreaming of medical school
Joined: 03 Jan 2013
Posts: 7
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| Posted: Mon Oct 21, 2013 9:17 am Post subject: |
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| Wrenchturner wrote: |
when you change the developer, you need to do it in SDS mode and run the developer replacement procedure. This resets the voltages and toner values so the machine knows when to add toner as you print.
Depending on your software load, you may need to have a service laptop connected to the controller to do this with Lotus notes.
Otherwise, you will never get this problem resolved..... |
Can the voltages be checked/recalibrated by a Tech at anytime, or does that have to be done precisely at the time the developer was replaced? |
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Wrenchturner
intern
Joined: 01 Mar 2005
Posts: 112
Location: Denver,Colorado
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| Posted: Mon Oct 21, 2013 11:12 am Post subject: |
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You can view the setpoint value in SDS 05-1-001. You might try doing the developer replacement procedure again with the current developer.
Have you determined that your toner motor is functioning with SDS test 05-6-003, and actually see toner moving through the auger?
You can remove the auger tube from the developr unit and run the test with a waste bag over the end so you don't have a mess in the machine...
Good luck! |
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maggoolee2525
medical school grad
Joined: 21 Dec 2015
Posts: 85
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| Posted: Sun Dec 27, 2015 3:05 am Post subject: TONER SENSOR |
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| ANYONE WITH U SED WORKABLE TONER SENSOR FOR TDS 400 PLS CONTACT ME THKS |
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maggoolee2525
medical school grad
Joined: 21 Dec 2015
Posts: 85
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| Posted: Mon Dec 05, 2016 6:10 am Post subject: software for service mode |
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| need a step by step guide in entering service mode and using a laptop to run SDS mode. anyone know how do let me know PLS PLS PLS.. thanx in advance |
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