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Brother International MFC 8890DW Support Question

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Question posted by sofsueg on August 5th, 2014

How To Replace A Fuser And Laser Unit On A Brother Mfc 8890dw

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Answer #1: Posted by freginold on October 14th, 2014 3:51 PM

freginold

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Instructions for replacing the fusing unit and the laser unit can be found starting on page 4-3 of the printer's service manual, which you can download here:

http://support.brother-usa.com/Virdata/Content/en-US/MFC/Technical/ServiceManual/SM_DCP_8080DN_8085DN_MFC_8480DN_8680DN_8690DW_8890DW_EN_5156.PDF

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Related Brother International MFC 8890DW Manual Pages

Network Users Manual - English - Page 31

... and drivers into the operating system running on your computer. By using the Setup Wizard from other electronic devices can be the best method of connection for the fastest throughput speed. • Although the Brother MFC-8890DW can be used at a time. 21 Then, in the Quick Setup Guide using this chapter for additional...

Users Manual - English - Page 142

... Click the Start button, Control Panel, Hardware and Sound, and then Printers. Right-click Brother MFC-XXXX Printer. Make sure that Use Printer Offline is illuminated. (See Entering copy mode ... the Quick Setup Guide.) 126 Black vertical lines on copies are installed properly. (See Replacing the drum unit on page 163.) „ Check the interface cable connection on both the machine and ...

Users Manual - English - Page 148

Put in a new drum unit. (See Replacing the drum unit on page 14.) „ Make sure that you are using the MP tray, see Loading...quality. (See Acceptable paper and other print media on page 163.) „ The fuser unit may be damaged. Call Brother Customer Service at 1-877-BROTHER (1-877-276-8437) (in USA) or 1-877-BROTHER (in Canada). „ Check the paper type and quality. (See Acceptable paper...

Users Manual - English - Page 151

... on page 157.) C „ The drum unit may be damaged. Put in a new drum. (See Replacing the drum unit on page 163.) White Spots on page 156.) „ The toner cartridge may be damaged. Clean the drum unit. (See Cleaning the drum unit on the OPC drum surface. Call Brother Customer Service at 3.7 in Canada). 135...

Users Manual - English - Page 152

... label sheets for laser machines, the glue from the sheets may sometimes stick to the home position (a). (See Cleaning the corona wire on page 163.) „ The fuser unit may be contaminated. Put in direct sunlight or room light, the unit may be damaged. „ The toner cartridge may be damaged. Call Brother Customer Service...

Users Manual - English - Page 157

...Drum (See Replacing the drum unit on the USB Flash memory drive with the same name as the file you are trying to replace the fuser unit. 1-877-BROTHER (1-877-276-8437) (in U.S.A) 1-877-BROTHER (in ... page 144.) Protected Device The protect switch of the following : „ Reduce print resolution. (See Advanced tab in the Software User's Guide on . Replace Parts Fuser Unit It is the end...

Users Manual - English - Page 158

... not possible. Error Message Replace Parts Laser Unit Replace Parts PF Kit MP Replace Parts PF Kit 1 Replace Parts PF Kit 2 Replace Toner Scan Unable XX Scanner Locked Cause Action It is time to replace the paper feeding kit for the MP tray. Call Brother Customer Service to replace the laser unit. 1-877-BROTHER (1-877-276-8437) (in U.S.A) 1-877-BROTHER (in Canada) It is...

Users Manual - English - Page 181

... for Tray 1. Replace fuser unit. C a Press Menu, 8, 1. 81.Serial No. Checking the Page Counters C You can see the machine's Serial Number on the LCD please call Brother Customer Service: (in USA) 1-877-BROTHER (1-877-276-8437) (in Canada) 1-877-BROTHER C LCD message Replace Parts PF Kit MP Replace Parts PF Kit 1 Replace Parts PF Kit 2 Replace Parts Description Replace paper feeding...

Quick Setup Guide - English - Page 28

... (router) as close to communicate with minimal obstructions. Large objects and walls between the two devices as well as multi-page documents with your access point (router) computers on the CD-ROM... speed. • Although the Brother MFC-8890DW can be used at a time. • If you have access to install the drivers and software. Insert the Brother CD-ROM into your network access...

Service Manual - Page 9

.... Since the beam is invisible, the following caution label is operated with the laser unit, replace the laser unit itself. Be sure to take off any trouble with the cover open the enclosure of the laser beam. To prevent direct exposure to the laser beam, do not try to place a screwdriver or other reflective object in the...

Service Manual - Page 77

...Error Replace Parts Drum Replace Parts Fuser Unit Replace Parts Laser Unit Replace Parts PF Kit MP Replace Parts PF Kit 1 Replace Parts PF Kit 2 Comm.Error Connection Fail Type of Error Action Refer to replace ... is time to replace the laser unit. Replace the laser unit. 3-15 It is removed Press Stop/Exit. Reinsert the device from the USB direct and try to replace the paper feeding ...

Service Manual - Page 81

... paper feed kit T1 53 Replacement time of the paper feed kit T2 Replacement time of the fuser 54 unit 55 Replacement time of the laser unit 56 Back cover opened 57 Paper jam (Duplex tray) 58 Fuser unit failure Refer Error to: codes Problem 3-12 59 Fuser unit failure (Detect fuser failure at start-up) 3-12 63 Replace toner or Toner life...

Service Manual - Page 87

... the paper feed kit T1. ■ Error code 53 Replace Parts PF Kit 2 Replacement time of the laser unit Replace the laser unit. 3-15 Confidential Step 1 Cause Remedy Replacement time of the fuser unit Replace the fuser unit. ■ Error code 55 Replace Parts Laser Unit Replacement time of the laser unit Step Cause Remedy 1 Replacement time of the paper feed kit T2 User Check...

Service Manual - Page 118

... the same problem occurs, follow each procedure in the tables below. ■ Light - Check the machine's environment. Dirt on exposure Are the electrodes of the laser unit dirty? Replace the HVPS PCB Yes ASSY. If the whole page is light, toner save mode may be on. - Wipe the dirt off with a soft, Yes...

Service Manual - Page 121

... if there is no gap.) Incorrect radiation angle of scanner diode of the laser unit. Yes Replace the main PCB Yes ASSY. 3-49 Confidential Laser unit failure Is the problem solved after replacing the HVPS PCB ASSY? Yes Replace the HVPS PCB Yes ASSY. Replace the laser unit. Step 1 2 3 4 5 Cause Check Developing bias voltage conduction failure Are the electrodes on...

Service Manual - Page 122

... main PCB ASSY? Main PCB failure Is the problem solved after replacing the HVPS PCB ASSY? Laser unit failure Is the problem solved after replacing the laser unit? Replace the laser unit. Yes (Refer to Fig. 3-2, Fig. 3-3.) Is the corona wire damaged? Reconnect the scanner No harness of the laser unit connected securely? Yes 3-50 Confidential FG harness ASSY connection failure...

Service Manual - Page 125

... the toner cartridge and drum frame. Step 1 2 3 Cause Condensation Transfer failure Scanner windows of the laser unit with a soft lint-free cloth. (Refer to freshly unpacked paper. - Is the problem solved after replacing the laser unit? Replace the laser unit. Drum unit Are the electrodes on electrode contact the toner cartridge and failure machine body dirty? Check that...

Service Manual - Page 126

... (exposure drum circumference) intervals? HVPS PCB failure Is the problem solved after replacing the main PCB ASSY? Replace the main PCB Yes ASSY. 3-54 Confidential Replace the drum unit with a new one . - Laser unit failure Is the problem solved after replacing the main PCB ASSY? Replace the laser unit. Step 1 2 3 4 5 Cause Check Toner attached on the exposure drum Are the...

Service Manual - Page 129

...HVPS PCB failure Is the problem solved after replacing the main PCB ASSY? Correct bending of solid color - Step 1 2 3 Cause Check Result Remedy Dirt on charged electrode Are the electrodes on the drum unit and machine body dirty? Replace the laser unit. Laser unit failure Is the problem solved after replacing the laser unit? Replace the toner cartridge with a dry cloth.

Service Manual - Page 157

Parts Name Fuser Unit Laser Unit PF kit for Tray 1 *3 PF kit for Tray 2 *3 MP PF tray *2 LCD Message (HL-5380DN) REPLACE FUSER REPLACE LASER REPLACE PF KIT1 REPLACE PF KIT2 Qty 1 1 1 1 REPLACE PF KIT MP 1 Approximate Life *1 Replacement (number of prints) Procedure 100,000 pages 100,000 pages See subscription 1.2.1, Chapter 4 100,000 pages 100,000 pages See subscription 1.2.2, Chapter 4...