Question about Brother HL-2030 Laser Printer

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False detection of toner low

My printer continually shows toner out. It went through a phase of showing low then completely out, and will not print.
However, I've put in a new toner cartridge -- same problem.
I've even stuck something over the window, and it still shows toner out.
Clearly the sensor is broken. How do I open up the printer to replace it?
Can I short something out to make it never show toner low or toner out. I can tell by looking at the printing to see if it needs a new toner cartridge.

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Re: False detection of toner low


The only remedy you have now is to change the sensor , for this you have to refer to the product manual you can download it from

Good Luck

Posted on Dec 06, 2007

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False empty toner reading

The problem can be may this however hard resetting it can fix the issue

1. Turn machine on while pushing and holding the TWO up/down menu buttons at same time.
2. Menu window will show "OKI USER"
3. Scroll to " Engine Dialog Mode" is indicated. Push Enter button.
4. "Diagnostic Mode xx.xx.xx S-Mode is indicated.
5. Scroll to "NV-Ram initial" is indicated. Push ENTER.
6. Window shows "NV-Ram- Initial Table 1".
7. Push ONLINE and ENTER Buttons simultaneously and HOLD for 10 seconds after you see "Executing Reset" appear in menu window.
8. Restart printer.

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When i refill toner it still show toner sovle the problem

Good day.
First try to print a print status report. Here are the steps:
1.Push setup menu button, that would be the wrench icon. 2.Push the right button to navigate until you get to the Tools Menu 3.Tools Menu>Push button for Printer Status Report
This will give you the accurate ink levels on your printer. If it still shows low ink based on the printer status report, you have to reseat the ink cartridge and make sure the orange tape near the HP Logo on the ink cartridge has been peeled off.
If the report shows ink levels are fine, then that status report on the front panel is just a false report. Try powering off your printer and powering it back on again. As long as you don't have print quality issues, you should be fine.

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I replaced the shuttle and need to do the phasing adjustment. Can you tell me how?

IMPORTANT The printer must be printing the Phase pattern of “H’s” when the Phasing Value is changed, or the New Phasing Value will not be written into NVRAM. If the value is changed when not printing, the printer will return to its default phasing
value when powered off then back on.
1. Install the ribbon.
2. Load full width (136 column) paper.
3. Power on the printer and set top of form.
4. Press Stop to put the printer into NOT READY mode.
5. Press Scroll + Scroll to unlock the Enter key.
6. Press Scroll + Scroll + Return + Enter to enter the CE Tests menu. (Press all four keys at the same time.)
7. The display will show “SERVICE / PRINTER MECHANISM TESTS”, the first menu item. Press Enter to enter the
mechanism tests menu.
8. Press Scrollor Scrolluntil
9. Press Enter. The printer begins printing all H’s, each line preceded by the phasing index number.
10. Press Return. The display will show
11. Press Scroll or Scroll until “SERVICE / HAMMER PHASE VALUE” is on the display.
12. Press Enter. The top line of the display will show
“HAMMER PHASE VALUE” and the bottom line will show the current phasing index number.
13. Press Enter. The phasing index (followed by an asterisk) will move up to the top line of the display.
14. Press Scroll or Scroll to increase or decrease the phasing index, then press Enter to activate the value as it prints.
Continue to increase or decrease the phasing index until the pattern of H’s appears.

15. When the print pattern is acceptable, press Stop. Printing stops, and the printer automatically enters the current phase
index value into NVRAM. The display shows “NOT READY”.
16. Press Scroll + Scroll to lock the Enter key.
17. Close the printer cover. Press Start to put the printer into READY mode.
NOTE: If you changed the phasing value, power down the printer, remove the shuttle cover, and write the new phase value on
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Konika Minolta 2430 DL won't let me print

Look through the menus on the printer for a setting for "Low Toner" -- the choices of what to do are usually either "continue" or "stop" or something similar (my 2430DL has this option setting) -- set this option to "Continue".
My 15 year old HPs also have a similar setting. However, this will keep it printing when the black runs out, so you will need to check your print production run visually as you go along to make sure the quality is what you need

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Red light comes after refill

Download from this site Raw Package for ML-1640 You will find 5 files in this package:
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  • downl1640.bat is the firmware downloader (to printer)
  • fix1640.bat is the firmware patcher
  • fixml40.exe is the tools run by the patcher
  • usbprns2.exe is the tools run by the downloader
Unzip and start usbprns2.exe than downl1640.bat, at the end press any button and for 16 seconds you have printer reset.
And that is it, you are free to do what ever you want, but be careful if you reset with empty toner it will also show that toner is full.
Also the are no chip in toner, it is only mechanical part.cc156fa.jpg
Save the money for toner refill. See ya

P.S- Was this helpful? Say YES

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1720 Dell Laser printer Photoconductor Problem

I finally figured it out (with Dell Tech Support's help)! When you replace the drum, you MUST reset the counter as well. All you have to do is:

1) Turn off the power using the switch on the back of the printer. Open the front door of the printer.

2) Hold Continue button down, power on the printer, and continue to holding Continue down until the LEDs begin to flash. When the LEDs start to flash, release Continue button. The LEDs will continue flashing until only Error LED will be lit.

3) Close the front door. Continue, Ready/Data, Toner Low and Load Paper LEDs should be lit.

4) Wait till the printer completes the POST process. POST is complete when fan noise and rollers stops. After POST wait for 5 seconds

5) Press Cancel button 4 times slowly until the Toner Low LED is lit. This is the procedure resetting the counter.

6) Press and hold Continue until all LEDs begin to cycle in sequence, then release Continue. Now only the Toner Low LED will be lit.

7) Cycle the power of the printer (turn it off and then back on).


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Lexmark e250dn printer, toner light is flashing, new cartridge

Could be photoconductor at end of life.

You shoul still be able to do a printer test print (press the arrow button).

Look on the printed pagesfor Toner AND Photoconductor.

These show as OK when new or very low count, and 100% when fully used.

If the toner is showing as 100% when you've just replaced it, either the chip is faulty, the wrong one, or if the cartridge is a remanufactured one possibly nor been replaced.

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more important than all that nonsense is:
is it faint when you do an internal report or make a copy?
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if on prints and copies it is the drum.

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