BROTHER MFC 9420CN SERVICE MANUAL PDF

Download BROTHER MFCCN FACSIMILE EQUIPMENT SM service manual & repair info for electronics experts. For the location of a Brother authorized service center, call BROTHER. IMPORTANT select Brother, MFL. Pro Suite MFCCN from the Programs. Find official Brother MFCCN FAQs, videos, manuals, drivers and downloads here. Get the answers and technical support you are looking for.

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The OPC belt and the transfer belt fail to maintain the regular and proper rotation due to the impact caused during the retract of the toner cartridge. If any error message appears, refer to this chapter to find which components should be checked or replaced.

Page [ 3 ]-2 THV Tune Up Code Function This function is used when it is required to adjust the transfer voltage because a transfer failure problem or the like is occurred on the recording paper.

Brother MFC-9420CN Machine Error 2C

Potential of the transfer belt is nearly GND. Sokat gondolkoztam, ha megjavitom a tapot, mi legyen a tovabbi sorsa, hiszen nekem sem all modomban egy ekkora bazi nagy trafot tenni melle. Page 5 Make the following selection.

To control the print process from the paper feed through paper exit. My brother printer just can’t stop printing.

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Brother MFC-9420 service manual download

Top side R Screw Back cover Fig. I Residual Image Phenomenon Image of the preceding page appears on every other page as shown in print sample [20] of Fig.

The machine prints sergice or it prints garbage. Posted on Apr 12, Be the first to answer. Page I Residual Image Phenomenon Image of the preceding page appears on every other page as shown in print sample [20] of Fig. Plus, I’m a Brother ASP and after doing it for 15 years you figure out a thing or two about the machines.

Brother MFCCN Machine Error 2C | FixYourOwnPrinter

If it is visible, then the connection is good. Since 2 kinds of the screw are used, confirm the screw before using. This proves that the fusing is insufficient. Center cover Top cover Fig.

If the main PCB is replaced with a new one, therefore, you will need to set the proper customizing codes with the machine in the maintenance mode. Shaft TR cam clutch Washer Fig. Main Causes 1 Shock or vibration is applied to the machine.

Brother printers repair manual – Google Docs

Main Causes 1 Paper in use is not a recommended paper, or is an abandoned paper. For the communications errors, the equipment also prints out the transmission verification report and the communications list.

Page WSW39 V. Replace K Kit It is time to replace the K kit. Page I Color Misregistration Phenomenon Color misregistration is caused between two colors as shown in print sample [17] of Fig.

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Foreign materials in the Remove foreign materials. The control panel does not work. Longer 4 1 0 0: Page 4 Remove the waste 9420cnn pack PU.

Otherwise, go to Step 4. I Toner Drop Phenomenon Toner spot stain is caused on the print by toner dropping within the machine engine as shown in print sample [14] of Fig. ON recommendation Not used.

Error Code Symptom Probable Cause Solution Hex Yellow switching clutch error Yellow switching Replace the yellow switching clutch clutch defective Engine controller board Replace the engine defective controller board. Press 9,9 to exit of the mode and the machine will attempt to restart normally. Belt Discharging Erase Lamp OPC belt discharging process means that upon completion of the first transfer process, LED light is radiated on the OPC belt prior to cleaning the belt to discharge the residual charge for electrical cleaning.

I’ve also had paper jams in the fuser caused by a worn fuser drive input gear white nylon. Erasing time length of ICM 1 sec.