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02/2000

4-1

DocuPrint N2125

Repair-Adjustment

Initial Issue

4 Repair-Adjustment

Introduction......................................................................................................................

4-3

 Covers and Trays

REP 1.1 Left Interface Cover Assembly..........................................................................

4-5

REP 1.2 Left Cover .........................................................................................................

4-5

REP 1.3 Option Cover.....................................................................................................

4-6

REP 1.4 Top Cover Assembly.........................................................................................

4-6

REP 1.5 Right Cover .......................................................................................................

4-7

REP 1.6 Front Cover Assembly ......................................................................................

4-8

REP 1.7 Left Front Cover ................................................................................................

4-8

REP 1.8 Rear Cover Assembly .......................................................................................

4-9

REP 1.9 Rear Face Up Cover Assembly ........................................................................

4-10

REP 1.10 Interlock Cover................................................................................................

4-10

REP 1.11 Left Plate Assembly ........................................................................................

4-11

REP 1.12 Plate Handle ...................................................................................................

4-11

 Tray 1

REP 2.1 Retard Roll Assembly .......................................................................................

4-13

REP 2.2 Friction Clutch Assembly ..................................................................................

4-14

REP 2.3 Retard Spring....................................................................................................

4-15

REP 2.4 Motor Assembly ................................................................................................

4-16

REP 2.5 Connector and Socket Guide............................................................................

4-17

 Paper Feed (Tray 1)

REP 3.1 Paper Feeder ....................................................................................................

4-19

REP 3.2 Turn Roll Assembly...........................................................................................

4-19

REP 3.3 Tray 1 No Paper Actuator .................................................................................

4-20

REP 3.4 Stack Height Sensor .........................................................................................

4-21

REP 3.5 Low Paper Sensor ............................................................................................

4-21

REP 3.6 Feed Clutch Assembly ......................................................................................

4-22

REP 3.7 Feeder Assembly ..............................................................................................

4-23

REP 3.8 Paper Feed Rolls ..............................................................................................

4-24

REP 3.9 Feeder PWB .....................................................................................................

4-24

REP 3.10 Feeder Socket.................................................................................................

4-25

REP 3.11 Size Sensor Housing ......................................................................................

4-26

REP 3.12 Size Sensor Actuators ....................................................................................

4-27

REP 3.13 Tray 1 Size PWB.............................................................................................

4-28

REP 3.14 Size Harness Assembly ..................................................................................

4-28

 Paper Feed (MBF)

REP 4.1 MBF Chute Assembly .......................................................................................

4-29

REP 4.2 MBF Feed Roll Assembly .................................................................................

4-29

REP 4.3 MBF Feed Roll ..................................................................................................

4-30

REP 4.4 Tray Bottom Assembly......................................................................................

4-31

REP 4.5 MBF No Paper Actuator....................................................................................

4-32

REP 4.6 Tray Pick Up .....................................................................................................

4-32

REP 4.7 Retard Pad Assembly .......................................................................................

4-33

REP 4.8 MBF No Paper Sensor......................................................................................

4-33

REP 4.9 Pick Up Solenoid...............................................................................................

4-34

REP 4.10 Envelope Connector Assembly.......................................................................

4-35

 Paper Transportation

REP 5.1 Paper Handler Assembly ..................................................................................

4-37

REP 5.2 Toner Sensor ....................................................................................................

4-38

REP 5.3 Registration Actuator ........................................................................................

4-39

REP 5.4 Registration Sensor ..........................................................................................

4-40

REP 5.5 Registration Clutch............................................................................................

4-40

REP 5.6 Rubber Registration Roll...................................................................................

4-41

 Exit Assembly and Fuser

REP 6.1 Transport Chute Assembly ...............................................................................

4-43

REP 6.2 Fuser Assembly ................................................................................................

4-43

REP 6.3 Fuser Harness Assembly..................................................................................

4-44

REP 6.4 Exit Chute Assembly.........................................................................................

4-45

REP 6.5 Exit Motor Assembly .........................................................................................

4-46

REP 6.6 Stack Full Sensor..............................................................................................

4-46

REP 6.7 Mid 1 & Mid 2 Roll Assemblies .........................................................................

4-47

REP 6.8 Stack Full Actuator............................................................................................

4-49

REP 6.9 Fuser Upper Cover Assembly/ Heat Rod..........................................................

4-50

 Xerographics

REP 7.1 BTR Assembly ..................................................................................................

4-51

REP 7.2 Print Cartridge Top Guide Assembly ................................................................

4-51

REP 7.3 Print Cartridge Sensor Assembly......................................................................

4-52

REP 7.4 Laser Assembly ................................................................................................

4-53

REP 7.5 Print Cartridge Side Guide ................................................................................

4-53

 Main Drive

REP 8.1 Main Motor Assembly .......................................................................................

4-55

REP 8.2 Main Drive Gear Assembly ...............................................................................

4-55

 Electrical

REP 9.1 Fan Assembly ...................................................................................................

4-57

REP 9.2 System Controller PWB ....................................................................................

4-57

REP 9.3 Print Engine Controller PWB.............................................................................

4-58

REP 9.4 5VDC PWB .......................................................................................................

4-59

REP 9.5 LVPS PWB........................................................................................................

4-60

REP 9.6 HVPS PWB .......................................................................................................

4-60

REP 9.7 Connector PWB ................................................................................................

4-61

REP 9.8 Main Switch.......................................................................................................

4-62

REP 9.9 Front Interlock Switch Assembly.......................................................................

4-63

REP 9.10 Rear Interlock Switch Assembly .....................................................................

4-63

REP 9.11 Offset Catch Tray Harness Assembly.............................................................

4-64

REP 9.12 Duplex Harness Assembly..............................................................................

4-64

 Offsetting Catch Tray (OCT)

REP 10.1 Offset Catch Tray (OCT).................................................................................

4-67

REP 10.2 Exit Tray Extension .........................................................................................

4-67

REP 10.3 Exit Tray..........................................................................................................

4-68

Содержание DocuPrint N2125

Страница 1: ...inter Service Manual 721P52390 February 2000 This Service Manual contains information that applies to the DocuPrint N2125 Laser Printer CAUTION These components are susceptible to electrostatic discharge Observe all ESD procedures to avoid damage ...

Страница 2: ...ntents 4 1 Parts List 5 1 Section Contents 5 1 General Procedures 6 1 Section Contents 6 1 Wiring Data 7 1 Section Contents 7 1 Introduction The DocuPrint N2125 Service Manual is the primary document used for repairing and maintaining the DocuPrint N2125 Laser Printer This manual contains Service Call Procedures Diagnostic Procedures General Information Repair Analysis Procedures Image Quality Ana...

Страница 3: ...000 3 13 2 2000 3 14 2 2000 3 15 2 2000 3 16 2 2000 3 17 2 2000 3 18 2 2000 3 19 2 2000 3 20 2 2000 3 21 2 2000 3 22 2 2000 3 23 2 2000 3 24 2 2000 3 25 2 2000 3 26 2 2000 4 1 2 2000 4 2 2 2000 4 3 2 2000 4 4 2 2000 4 5 2 2000 4 6 2 2000 4 7 2 2000 4 8 2 2000 4 9 2 2000 4 10 2 2000 4 11 2 2000 4 12 2 2000 4 13 2 2000 4 14 2 2000 4 15 2 2000 4 16 2 2000 4 17 2 2000 4 18 2 2000 4 19 2 2000 4 20 2 20...

Страница 4: ...2000 6 18 2 2000 6 19 2 2000 6 20 2 2000 6 21 2 2000 6 22 2 2000 6 23 2 2000 6 24 2 2000 6 25 2 2000 6 26 2 2000 6 27 2 2000 6 28 2 2000 6 29 2 2000 6 30 2 2000 6 31 2 2000 6 32 2 2000 6 33 2 2000 6 34 2 2000 6 35 2 2000 6 36 2 2000 6 37 2 2000 6 38 2 2000 6 39 2 2000 6 40 2 2000 6 41 2 2000 6 42 2 2000 6 43 2 2000 6 44 2 2000 6 45 2 2000 6 46 2 2000 6 47 2 2000 6 48 2 2000 6 49 2 2000 6 50 2 2000...

Страница 5: ... 32 REP 4 7 Retard Pad Assembly 4 33 REP 4 8 MBF No Paper Sensor 4 33 REP 4 9 Pick Up Solenoid 4 34 REP 4 10 Envelope Connector Assembly 4 35 Paper Transportation REP 5 1 Paper Handler Assembly 4 37 REP 5 2 Toner Sensor 4 38 REP 5 3 Registration Actuator 4 39 REP 5 4 Registration Sensor 4 40 REP 5 5 Registration Clutch 4 40 REP 5 6 Rubber Registration Roll 4 41 Exit Assembly and Fuser REP 6 1 Tran...

Страница 6: ...per Sensor 4 87 REP 11 15 Feeder Socket 4 88 REP 11 16 550 Sheet Feeder Size Harness Assembly 4 88 REP 11 17 Size Sensor Housing Assembly 4 89 REP 11 18 Size Sensor Actuators 4 90 REP 11 19 Size PWB 4 91 REP 11 20 Size Harness Assembly 4 91 Duplex Unit REP 12 1 Duplex Assembly 4 93 REP 12 2 Turn Chute Assembly 4 93 REP 12 3 Duplex Cover 4 94 REP 12 4 Duplex PWB 4 94 REP 12 5 Drive Cover 4 95 REP 1...

Страница 7: ...llustrations refer to steps in the procedure For example if step 3 in a procedure instructed you to remove a screw the screw in the illustration would be labeled 3 Illustrations are used to assist you with the procedures You should refer to the specific Parts List illustration listed under the repair title for locating most components within a procedure NOTE Always reinstall the correct type and s...

Страница 8: ... Transport Fuser L 6 1 Chute Transport Fuser 5 12 xit L 7 1 Exit 5 13 Drive Xerographics PL 8 1 Drive Xerographics 5 14 Frame Size Sensor PL 9 1 Frame Size Sensor 5 15 Electrical PL 10 1 Electrical 5 16 Optional Feeder 1 PL 11 1 500 Sheet Feeder 1 of 2 5 17 Optional Feeder 2 PL 11 2 500 Sheet Feeder 2 of 2 5 18 Envelope Feeder 1 PL 12 1 Envelope Feeder 1 of 2 5 19 Envelope Feeder 2 PL 12 2 Envelop...

Страница 9: ...e manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual XEROX Docuprint N2125 service manual ...

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