A message came up to replace the Transfer Roller on my Xerox Phaser 6250. I replaced it and the message still appeared. I ordered another Tranfer Roller thinking maybe the first could be damaged (ya never know). Inserted the second Transfer Roller and nothing. Next step I took was to replace the CTD Sensor which reads I'm assuming the amount of toner in the Transfer Roller. Still nothing. Is there a page reset button somewhere. I have gone throught the printer maintenance and have found nothing that will reset a count or anything. I'd appreciate the help. Thanks
In the Phaser 6250 Color Laser Printer Service Manual (which I had to have emailed to me from my toner supplier since it is not available to the general public) I went to Chapter 6 - Error Messages and Codes. I had to reboot the printer. Here is the procedure.
Entering by rebooting the printer:
1. Turn the printer power OFF
2. Hold down the Back and Information buttons simutaneously and turn the printer
3. Continue to hold the buttons until the following message is displayed on the front
panel: Service Diagnostics V#.##, Initializing ....., and then release the buttons.
4. The front panel displays the Service Diagnostics Menu.
On the display is a menu. Find Transfer Roller. Press enter on this menu where it says Toner Waste (Not Full). Back out of the menu.
All of a sudden the machine came to life. You may have to turn off the printer and turn it back on again.
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I have a XEROX 6200 Printer. I tried to do the solutions above, but I
did not have those options in the Maintenance Menu. I pulled out the
Transfer Roller Unit and opened up the two screws on top. When I pulled
the top, it was loaded with toner. I poured out all that toner in the
trash and blew out the rest with a air gun till it was clean. Be careful
of the two white gears on the side, when you take off the top. You
don't want to lose them. Anyhow, I reassembled the unit back and stuck
it back into the printer and the error message was gone. Yeayyyyyyyyy!
If you open the top cover and remove the imaging unit. Look straight down, and you will see a black rubber roller about 8 inches long. this is the registration roller. If you remove the four screws (two on the left side, one in the middle, and one on the right) and gently lift up your wrinkled paper will be right there. Since your are not replacing the registration assembly you do not need to remove the two connectors that attach to the main board from the registration assembly. Just remove the paper, reseat unit, and put back screws. There is a test to see if your unit has the fix that gives the drive assembly a little more power to aviod jams in the future. This is a software fix. I believe it's available on the xerox website as a postscript snippet. xx.ps
I found the answer here: http://office.support.xerox.com/SRVS/cgi-bin/webcgi.cgi
Resetting Transfer Roller Life
Resetting the transfer roller life is to be performed only if the Transfer Roller Assembly was defective and or the assembly is replaced before an end of life or near end of life message. Not to extend the life of the assembly. Doing so may cause premature failure of other internal printer components.
The printer will prompt the user to reset the life counts if the assembly is replaced after receiving a Replace Transfer Roller or Replace Transfer Roller Soon message.
Note: If the main Menu does not appear on the front panel screen and only Replace Transfer Roller is displayed, there may be a print job that is either processing or currently printing. Try the following steps to clear the print jobs and reset the Transfer Roller life:
Press the cancel button several times to flush processing jobs from the printer.
If you do not receive access to the front panel menu by doing this, power off the printer and disconnect Ethernet, parallel or USB cable from the printer.
Turn the printer back on, and while it is powering up, immediately start pushing the cancel key repeatedly until you receive access to the front panel menu.
If the printer menu appears on the front panel screen, follow the instructions below to reset the Transfer Roller life if the printer did not prompt you to reset it:
With Menus highlighted press OK.
Press the Down Arrow and scroll to Supplies Info Menu.
Press the Down Arrow and scroll to Exit at the bottom of the menu tree.
TRY FIRST (Solutions without parts): For a continuous RAMError message, try cleaning RAM contacts and reseating RAM.
NOTE: Third-party or generic RAM is not covered by warranty or service contract and should be removed for troubleshooting purposes.
TROUBLESHOOTING TIPS AND HINTS: Replace RAM. If problem is not resolved, replace the Image Processor board.
Please Note: Intermittent 6250 RAMErrors can be resolved by replacing the Print Engine Board and EEPROM, remembering to Save/ Restore in Diagnostics.
Doubt it be the fuser(100 000life), "just magenta dots".... fuser would be "all smudged" or "black marks" , "the print rubs off" , "paper is creasing or jamming"
Can prove it by stopping a print (open door) when paper is1/2 way threw machine, you need to stop it before it goes threw the hot bit, so you can tell if the hot bit (fuser) puts the marks on the paper.
Transfer roller one would expect to effect whole print Smudged/Faint,uneven density
It will be the imaging unit ( 30 000 pagelife Ouch$ ) or possible leaking toner (if aftermarket)
Remove imaging unit and inspect film you should find image of lines, dots are usually chips or sticky stuff on drum surface, carefull no oily human fingers on surface please.
When stopping machine mid print and perfecting your timing, pull out the imaging unit and look at replica of your print notice if marked and where.
Transfer Roller is at End of Life
■ Print the Supplies Usage page to verify the remaining life and Transfer
Roller install date.
■ Cycle printer power.
■ If the problem persists, follow the procedure below
Look at the clear plastic window on the Transfer Roller. If toner is present in the
center of the window the Transfer Roller is at end of life and needs to be
replaced. If no toner is visible, try cleaning the CTD (ADC) Sensor.
The “Transfer Roller is at End of Life” is a warning. “Replace Transfer Roller” is
a hard stop.
Cycle power, try cleaning the CTD (ADC) sensor and toner full sensor.
This is what Xerox has to say about the NVRAM failure:
On the front panel, press the key labeled i to view information about the error.
Record the error code number.
Turn off the printer.
Reseat the fuser.
Reseat the imaging unit.
Reseat the toner cartridges.
Turn on the printer.
If the error continues to be displayed contact service.
To be on the safe side you can follow the instructions here on the procedure to replace the transfer roler: http://office.support.xerox.com/SRVS/cgi-bin/webcgi.cgi