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Konica Minolta bizhub 350 All-In-One Laser Printer - Page 3 Questions & Answers
Trouble code C-3B04
[1] Turn off the powerswitch behind the little white cover
[2] Hold down the utility /counter buttom while power on and hold it until the hourglass shows.
[3] After a while the displays shows a trouble reset, press it and you will get ok i result.
[4] Power off/on again.
ERROR CODE EA21F7
LOTS TO CHECK
Check if the LAN cable has been correctly connected, if the SMTP server is ready for communication, if the network settings
such as sub-net mask setting are correct, or if the E-mail address of the destination is correct.
LAN cable has not been connected, or failed to communicate with
the SMTP server. You tried to transmit the document to an incorrect destination address.
A LAN cable is not connected. Check that the LAN cable is connected correctly. The network of the network multifunction
machine and the PC with the IP address of the destination mismatch.Confirm whether the network settings of the PC and the network settings of the network multi-function machine pose a
network-type problem.The network settings in the PC have
not been set correctly.Check the TCP/IP settings of the PC.
The network board of the PC with the IP address of the destination has failed. Replace the network board or the PC. Power is not being supplied to the HUB. Supply power to the HUB. A cross-type network cable is not being used for Peer-to-Peer connection.
Use a cross-type cable. The network cable is disconnected. Replace the network cable. Network load in the destination PC is
too high. Check whether a mail with large size data is received in the destination PC, or a large file is downloaded from the Web.
There is too much transmission data. If the scan resolution is set high, scan fewer pages. The access is limited by the firewall
(Windows Firewall) of the network connection in the PC.
Consult with the network administrator, and change the firewall (Windows Firewall) settings of the network connection. Btw, I’m available to help over the phone in case u need at
https://www.6ya.com/expert/normanj_7893313f0751935f
C-3904 bizhub 500
do this once only. If the code comes back then the fusing unit the hot part is broke, it could be a thermistor, heat fuse, heat lamp or the board that controls it. Have a tech look at the fuser? Do not continue to reset or a fire could occur and that would ruin a perfectly good day :) Code is for the FUSER!!!! (HOT PART)
1. Turn ON the main power switch (SW1).
2. With the Utility/Counter key pressed, turn ON the power switch (SW2).
3. Press [Trouble reset] to release a trouble with [OK] displayed.
4. Turn OFF and ON the power switch (SW2). Btw, I’m available to help over the phone in case u need at
https://www.6ya.com/expert/normanj_7893313f0751935f
C3451
Sir/Mam,
On the right side of the machine just below the scanner section (The part with the big glass) is a cover next to where you connect the Ethernet cable. Remove the cover, with the machine on use a small screw driver and gently depress the small black switch. The machine is going to go thru some screens when you see the screen with the copiers on it to the left on the screen in the middle you will see a "." when that is displayed press 3. The code will come back but now press the Utility/Counter button, you should see a button that says Maintenance Mode press that, see Trouble Reset press that and the machine will again will go thru warm up procedure, you will see the "." DO Nothing! The machine should go to "Ready to Copy" if the code comes back. Have a technician look at it DO NOT CONTINUE TO RESET the code is for the Hot Part called the FUSER. It can catch on fire! And that will ruin a perfectly good day!!!! Btw, I’m available to help over the phone in case u need at
https://www.6ya.com/expert/normanj_7893313f0751935f
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