One day I've encountered about this error 'Clean unable 50' displaying at my Brother DCP 195C screen. Immediately I search online for the needed solutions. And luckily I've found one.

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• Brother Dcp J140w ขึ้น Init Unable 4f

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1. Chris is the director of Refresh eCommerce and founded the company in 1999. He has worked with computers and printers all of his working life and has in-depth technical knowledge on a variety of subjects.
2. Brother Printer DCP-195C Message reads - print unable 4f see troubleshooting guide in user manual (I have lost my user - Answered by a verified Technician We use cookies to give you the best possible experience on our website.

The following are the procedure on how to fix the 'Clean unable 50' error of the Brother DCP 195C printer.
1. Plug in the printer and turn it ON.
2. Usually the error display's on screen, Press OK.
3. Then press MENU.
4. Press MONO.
5. Press the UP ARROW four(4) times. Then you notice that the ATTENTION LED and the PHOTO CAPTURE button are simultaneously blinking.

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6. Enter 80 to go to maintenance mode. When encoding the numbers (80) follow this:
- press UP ARROW button until the number 8 appears. press OK.
- press UP ARROW button until the number 0 appears. press OK.
7. Next, press continuously the MONO button until the 'Purge:________' appeared.
8. Now, enter 2783 by doing the same procedure on step 6. The counter will be reset.
9. Press STOP/EXIT.
10. Enter 99 by doing the same procedure on step 6 to exit Maintenance Mode.
The printer will automatically restart and works normally.

Customer Problem
The printer was down for while because it stopped initializing when turned on.

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Diagnosis
When received the printer when put on was not initializing as was previously mentioned and giving an error on screen stating Unable to init.4f. When I searched the error online it did not have a very distinct reasoning for the problem except to do the following:

Access the internal maintenance mode by pressing the Menu/Set button, then press * 2 8 6 4 within 2 seconds. This should put you in the maintenance mode menu. Enter 80, and then scroll down with the arrow down (round) key. You’ll find an entry listed as purge count. If number is over 6000, enter 2 7 8 3.

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Work Done
What I realized on this occassion is that the machine did not even get a chance for the rollers to start spinning. This made me check each area of the printer to see if anything was blocking the paper path or the gears controlling the rollers. I didnt find anything in particular so i forced the rollers into motion carefully spinning them in a clockwise motion as to mimic the printing process.

Brother Dcp J140w ขึ้น Init Unable 4f

Results
After checking all printer paths and gears and rollers, I powered it up again and as it came on you could hear the rollers going through the motions. Did some test prints and after some cleaning and alignment the printer was back to it self.