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Προϊόντα με Μάρκα+Model arrow BROTHER Ricoh Tally Genicom arrow Brother 9420c Unable to print use troubleshooting

Brother 9420c Unable to print use troubleshooting

Brother 9420c Unable to print use troubleshooting
Τιμή Μονάδος (τεμ.): Προσφέρετε τιμή Αγοράς



Unable to print use troubleshooting and routine maintenance chapter

 error 21 ==>> Clean polygon +mirrors + optics

 maintMode =menu +start  ^^^^ beeps  go to 82 to check the error.. if is 21... clean laser unit


Chapter C
C - 4
Unable to Init.
Unable to Print
Unable to Scan
The machine has a mechanical problem


 Care is needed in maintenance mode, otherwise critical settings may be inadvertently corrupted.

FAX models with numerical keypads: Press the Menu/Set, *, 2, 8, 6 and 4 keys within two seconds. (if you fail to complete the correct key sequence within two seconds, press the Stop key to try again).

Other (non-FAX) models: Press the Menu/Set and Black Start keys. Next press the "up arrow" key four times to enter the maintenance mode.

2. Press the 8 then 0 keys in the initial stage of the maintenance mode to call up the machine's log information list (function code 80).

3. Press the Black Start key several times to scroll through the log information list to reach the purge counter. The purge counter is the 25th item in the list.

4. Press the 2, 7, 8, and 3 keys in this order to reset the purge count to zero.

5. Press the Stop/Exit key to return to the initial stage of the maintenance mode.



Via the control panel (This is a Factory Reset)

  1. Make sure the machine is not operating, then disconnect all the cables from the machine (except power cable).
  2. Press the Menu or Menu/Set key on the control panel.
  3. Press up or down navigation key to select LAN and press Set or Menu/Set.
  4. Press up or down navigation key to select Factory Reset and press Set or Menu/Set.
  5. Press 1 to select "Reset".
  6. Press 1 to select "Yes".
  7. The machine will re-start, re-connect cables once this is complete.


 My MFC-9420cn is demonstrating the same problem. At first I thought it was because the "parts life" indicated that "PF Kit" life was down to zero.
The Users guide did not help at all. After considerable on line research I found that the PF Kit is only on machines with the second paper tray -- so my machine did not have a PF KIt. I went to the trouble of obtaining firmware update "version j" and installing it It did convince the machine that there was NO PF KIT, but did not solve the problem. Next, I replaced the OPC belt I was using with one that I bought recently which makes streaks. I had spent over $300 in response to the message which said "Replace OPC Belt cartridge but the new one started making streaks after about 300 pages, so I put the original back in - [it made white marks on a color picture -- but I can live with it ]. When I put the defective [but low page count] unit back in, the message seemed to have stopped. So I have 4 choices: 1) use old cartridge - run a few pages, get message, turn off for several hours, start again; 2) run with newer OPC BELT, get horrible streaky pages and faxes I can't read; 3) Spend another $300 and hope I get a good OPC BELT. 4) try to figure out how to defeat the page count feature on the original OPC BELT cartridge. I cannot find any phone number or email link to complain. I feel that this

 machine is a joke on the public. SHAME ON BROTHERS. I HAVE BEEN MPCed.




...other brother...


Clean unable 46


C D WORLD NAGPUR 09960014121


the proper reset code sequence to reset DCP printers without numeric keypad should be as follows:
1. press buttons Set, Menu, Mono Start one by one, followed by up arrow key four times. this should all be done as short a time as possible, around 3 seconds.
2. enter maintenance mode 80 by pressing the up/down arrow key and set key to select numbers 8 and 0
3. press up arrow key several times to get to the Purge item
4. enter 2, 7, 8 and 3 using arrow/set keys to reset the counter
5. press Stop/Exit key to go to root of maintenance mode
6. enter 9,9 to exit maintenance mode

C D WORLD NAGPUR 09960014121



How do I reset the OPC belt on MFC-9420CN using the menu?


hl-2700" OPC Reset
press GO and "+" at same time
press "+" until OPC BELT appears
press "SET"
that will reset the counter on the expensive OPC.
Since the "MFC-9420CN" is build on the same chassis and engine, the "OPC belt reset for the 9420CN" is as follows:
Press 1 and 7 at the same time
Press 1 to reset the life counter.




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