ERROR INDICATION AND TROUBLESHOOTINGĤ.2.2 No paper feeding from the manual feed slotĤ.5.1 Cannot make a print through network connectionĤ.7 Troubleshooting of the Toner Cartridge and Drum UnitĤ.7.2 Cartridge error (Toner cartridge not detected)Ĥ.7.3 Toner low (Even though a new toner cartridge is set, Toner low warning remains)Ĥ.7.5 Drum unit replacement (Even though drum counter is reset, “Replace Drum” warning remains.)Ĥ.10.4 High-voltage power supply PCB failureĤ.10.5 Low-voltage power supply PCB failureĤ.11.5 Document size cannot be correctly detectedĤ.12 Scanning Image Defect TroubleshootingĤ.14.6 Unusual noise generated from the machineĨ.1 Lift Gear 46/Gear Z23M10Z14M75/Gear Z19M10Ĩ.6 Registration Mark L PCB ASSY/Registration Mark R PCB ASSYĨ.12 Pull Arm L/Pull Arm R/Pull Arm SpringĨ.23 ADF Separation Pad Spring/ADF Separation Pad Holder ASSYĨ.24 Second Side CIS Unit/Second Side CIS Flat Cable (Duplex Scanning Models Only)Ĩ.26 ADF Cover/Document Detection Sensor PCB ASSYĨ.27 First Side Document Scanning Position Sensor PCB ASSY/ Second Side Document Scanning Position Sensor PCB ASSY (Duplex Scanning Models Only)Ĩ.33 Flat Cable Cover/Holder Hook/LED ASSYĨ.40 Control Panel ASSY/Document Scanner UnitĨ.43 First Side CIS Unit/First Side CIS Flat CableĨ.48 Duplex Tray (2-sided Printing Model Only)Ĩ.49 External Temperature/Humidity Sensor PCB ASSYĨ.50 Wireless LAN Cap/Wireless LAN PCB ASSYĨ.63 Exit Roller Bushing/Eject Roller ASSYĨ.66 High-voltage Power Supply PCB ASSY/HVPS Flat CableĬHAPTER 4. To see what contain, please read table of contents:ġ.8 FAX (Only for the models with FAX function)ĬHAPTER 2. You can find easily everything what do you need. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Brother DCP9020CDN DCP9020CDW MFC9130CW MFC9140CD MFC9330CDW MFC9340CDW. You can print, zoom or read any diagram, picture or page from this Service Manual.

This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Brother. Service Manual Brother DCP9020CDN DCP9020CDW MFC9130CW MFC9140CD MFC9330CDW MFC9340CDW

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