Confidential
3 - 1 1
3.2.2.4 Paper
eject
After the printing image on the exposure drum is transferred onto the paper, the paper is fed to the
fixing unit to fix unfixed toner onto the paper.
Afterwards, the paper is ejected from the fixing unit by the heat roller and the pressure roller in the
fixing unit. The paper eject actuator detects whether the paper is ejected correctly or not.
After the paper exits from the heat roller, the paper is turned by the rear cover and ejected face
down into the top output tray through the eject roller ASSY.
3.2.2.5 Drum
unit
Exposure
drum
Generates the latent electrostatic image and develops the image on the drum surface.
Primary
charger
Forms a uniform charge on the drum surface.
(1) Corona wire
Generates the ion charge on the drum.
(2) Grid
Spreads the ion charge evenly over the drum surface.
Transfer
roller
Transfers the toner image to the paper from the drum surface.
Cleaner
Removes the paper dust or dirt on the surface of the exposure drum.
Eject roller ASSY
Paper eject actuator
Rear cover
Heat roller
Pressure roller
Summary of Contents for DCP-7010
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC7420 7820N DCP7010 7020 7025 ...
Page 14: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 20: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 44: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 64: ......
Page 65: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 68: ...Confidential 4 2 Cover page sample End page sample ...
Page 69: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 150: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 154: ...Confidential CHAPTER 7 CLEANING ...
Page 156: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 164: ...8 7 Confidential Scanning Compensation Data List a b c d e f g h i j k l m n q ...
Page 172: ...8 15 Confidential Configuration List ...
Page 178: ...8 21 Confidential Cover page sample End page sample ...
Page 187: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 321: ...A NCU PCB MFC7420 U S A and CANADA models Confidential ...
Page 322: ...A NCU PCB MFC7820N U S A and CANADA models Confidential ...
Page 323: ...A NCU PCB MFC7420 EUROPE models Confidential ...
Page 324: ...A NCU PCB MFC7820N EUROPE models Confidential ...
Page 325: ...B Power Supply PCB 100V U S A and CANADA models Confidential ...
Page 326: ...B Power Supply PCB 200V EUROPE models Confidential ...
Page 327: ...December 04 SM FAX036 2 8C5A03 Printed in Japan ...