Page 1 XEROX Xerox DocuPrint N2125 Network Laser Printer Service Manual CAUTION These components are susceptible to electrostatic discharge. Observe all ESD procedures to avoid damage. 721P52390 February 2000 This Service Manual contains information that applies to the DocuPrint N2125 Laser Printer.
Page 2 Nor does MS-DOS are trademarks of Microsoft Corporation. Univers is a Xerox represent or warrant that it will notify or provide to such customer trademark of Linotype AG or its subsidiaries. WordPerfect is a any future changes to this documentation.
Page 3 Electrostatic Discharge Class 1 LASER Product This caution indicates that there are components which are The DocuPrint N2125 laser printer is certified to comply with sensitive to damage caused by electrostatic discharge. Laser Product Performance Standards set by the U.S.
Page 4: Table Of Contents
Introduction The DocuPrint N2125 Service Manual is the primary document used for Title - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Page repairing and maintaining the DocuPrint N2125 Laser Printer.
Page 5 Parts that are not spared will not have a number listed. Section 6 - General Procedures This section includes the Operations Menu Map and the Service Mode Menu Map. It includes all unique service operations, supplemental tools and supplies. Initial Issue 02/2000 DocuPrint N2125 Organization...
Page 6 This symbol indicates the presence of extreme heat from the Fuser to correct the interference. Assembly. Electrostatic Discharge The following symbols indicates that there are components which are sensitive to damage caused by electrostatic discharge. Initial Issue 02/2000 Terminology and Symbols DocuPrint N2125...
Page 7 Use of controls or adjustments other than those specified in this manual may result in an exposure to dangerous laser radiation. The DocuPrint N2125 is certified to comply with Laser Product Performance Standards set by the United States Department of Health and Human Services as a Class 1 product.
Page 8: Title
Product: Title: Part Number: DocuPrint N2125 Laser Printer Xerox DocuPrint N2125 Network Laser 721P52390 Printer Service Manual Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Title - - - -2/2000 2-16 - - - - 2/2000...
Page 9 6-3 - - - - -2/2000 6-43 - - - - 2/2000 7-22 - - - - 2/2000 6-4 - - - - -2/2000 6-44 - - - - 2/2000 7-23 - - - - 2/2000 Initial Issue 02/2000 Revision Control List DocuPrint N2125...
Page 10 Page Revision Page Revision Page Revision Page Revision Page Revision Page Revision Initial Issue 02/2000 Revision Control List DocuPrint N2125...
Page 11 1 Service Call Procedures 1.0 Introduction........................ 1.1 Machine Orientation ....................1.2 Call Flow........................1.3 Initial Actions ......................1.4 Corrective Actions ..................... 1.5 Final Actions......................Initial Issue Service Call Procedures 02/2000 DocuPrint N2125...
Page 12 Service Call Procedures Initial Issue 02/2000 DocuPrint N2125...
Page 13: Introduction
1.1 Machine Orientation The Service Call Procedures section is used to identify a suspected problem. This section con- For servicing the DocuPrint N2125, all references to machine orientation are as illustrated in tains Call Flow, Initial Actions, Corrective Actions, and Final Actions.
Page 14: Call Flow
Section 5 - Parts Lists (PLs) Section 6 - General Procedures Section 7 - Wiring All service calls start with Initial Actions and all service calls end with Final Actions. Figure 1 Call Flow Diagram Service Call Procedures Initial Issue 02/2000 DocuPrint N2125...
Page 15: Initial Actions
#820”, where E9-2 is the error code and #820 is the meter count. If the text is garbled, Perform ()RAP A. 13. Proceed to Corrective Actions. The print quality of the Menu Map is acceptable. Perform Image Quality Checkout. Initial Issue Service Call Procedures 02/2000 1.3, 1.4 DocuPrint N2125...
Page 16 Try a sending a document from a different application. The print was successful. There may be a problem with the print drivers. Have the customer contact Xerox Customer Support. There may be a problem with the application software. Have the customer contact Xerox Customer Support.
Page 17: Final Actions
Run final prints and verify image quality. For Image Quality problems, go to section 3 - Image Quality Checkout. Clean the general area. Communicate with the customer to inform them of actions taken and to ensure all prob- lems have been solved. Initial Issue Service Call Procedures 02/2000 DocuPrint N2125...
Page 18 Service Call Procedures Initial Issue 02/2000 DocuPrint N2125...
Page 19 RAP 37 Tray Motor Assembly Checkout Procedure ............2-36 RAP 38 Registration Clutch..................... 2-36 RAP 39 Turn Roll Clutch Assembly................. 2-37 RAP 40 Tray 1 Feed Clutch .................... 2-37 RAP 41 MBF Feed Solenoid ................... 2-38 Initial Issue Status Indicator Repair Analysis Procedures 02/2000 DocuPrint N2125...
Page 20 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 DocuPrint N2125...
Page 21: Introduction
When the indicated corrective action has been completed, go to Section 1 and restart the System Check to verify that the problem has been corrected. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Introduction, Measurements DocuPrint N2125...
Page 22 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Introduction, Measurements DocuPrint N2125...
Page 23 Tray 2 Jam - E2-02 E2-0: Feed Jam Paper arrives at Registration Sensor Open Tray 2 Open Tray 2 too early. Open Front Cover Clear Paper Path Go to Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Error Code Tables DocuPrint N2125...
Page 24 E4-2: Exit Jam 1. Paper late off Exit Sensor. Open Rear Cover Open Rear Cover 2. Exit Sensor on at power up. Clear Paper Path Go to RAP 11 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Error Code Tables DocuPrint N2125...
Page 25 Reinstall Envelope Feeder Removed while power on. Go to Tray 2/3 Failure E11: Tray 2/3 Fail Trays 2/3 disconnected after power Reinstall Trays 2/3 Power Off/On Go to Initial Issue Status Indicator Repair Analysis Procedures 02/2000 Error Code Tables DocuPrint N2125...
Page 26: Error Code Tables
Fuser warm up is completed. Fan Failure U5: Fan Fail Main Fan has failed. Check the Main Fan Power Off Now Printer Pause Power Off and On Go to RAP 20 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Error Code Tables DocuPrint N2125...
Page 27 0102 - DIMM2 DIMM board 2 failure. Go to 0103 - DIMM3 DIMM board 3 failure. Go to 2000 - XIE RAM System Controller Xerox Image Enhanced PWPM failure. Replace the System Controller PWB (REP 9.2). 2010 - XIE PWPM System Controller Xerox Image Enhanced PWPM failure.
Page 28 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 Error Code Tables 2-10 DocuPrint N2125...
Page 29: Rap 1 Ac Power
Neutral and Earth/Ground. The voltage between Line and Neutral and between Line and Earth/Ground is 198 to 264 VAC and between Neutral and Earth/Ground is less than 3 VAC. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 1 DocuPrint N2125 2-11...
Page 30: Rap 2 Dc Power
Check the Front Cover. The Front Cover is closed and actuating the interlock switch. Repair or replace the defective cover/interlock switch as necessary. Check the continuity through the interlock switch. Replace if necessary. Replace the LVPS (REP 9.5). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 2 2-12 DocuPrint N2125...
Page 31: Rap 3 Dc Power Loading
P29 (Main Motor) • P/J26 (HVPS PWB) • P/J27 (Exit Sensor) • P/J31 (Stack Full Sensor) • P/J33 (Size 1 PWB) • P/J34 (Duplex PWB) • P/J35 (OCT PWB) Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 3 DocuPrint N2125 2-13...
Page 32: Rap 4 Tray # Failure Power Off/On (C3)
Replace the following parts one at a time until the problem is resolved: • Stack Height Sensor (3.4) • Feeder PWB (3.9) • Size 1 PWB (3.13) • Print Engine Controller PWB (9.3) Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 4 2-14 DocuPrint N2125...
Page 33: Rap 5 Tray # Empty (C5)
Go to Remove Tray 2/3. Manually actuate the No Paper Sensor. The No Paper Actuator moves smoothly. Replace the Tray 2/3 No Paper Actuator (REP 11.7). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 5 DocuPrint N2125 2-15...
Page 34: Rap 6 Remove Output From Std Bin (C5)
32). If the Registration Sensor is good, and the problem persists, replace the Print Engine Controller PWB (REP 9.3). Replace Print Engine Controller PWB (REP 9.3). Remove the paper stack. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 6 , RAP 7 2-16 DocuPrint N2125...
Page 35: Rap 8 Paper Jam / Misfeed (E2)
Remove obstructions and clean chute. Replace paper tray if necessary 2.1). broken or deformed parts. Replace the paper tray if necessary 2.1). The jams occur when feeding from tray 3. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 8 DocuPrint N2125 2-17...
Page 36: Rap 9 System Controller Pwb
Repair or replace the Registration Sensor as necessary (REP 5.4). Perform RAP 48 to test the Exit Sensor. The Exit Sensor is working correctly. Replace the Fuser Assembly (REP 6.2). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 9 , RAP 10 2-18 DocuPrint N2125...
Page 37: Rap 11 Paper Jam / Exit (E4)
Check the Fuser Assembly for obstructions or contamination. The Fuser is clean and free of obstructions. Clean or replace the Fuser Assembly (REP 6.2), as necessary. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 10, RAP 11 DocuPrint N2125 2-19...
Page 38: Rap 12 Close Front Cvr/Close Rear Cvr (E5)
PWB, check the voltage between P/J28 pin 1 and frame ground. The voltage is 24VDC. Replace the LVPS (REP 9.5). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 11 , RAP 12 2-20 DocuPrint N2125...
Page 39: Rap 13 Install Print Cartridge (J3)
On the connector PWB, check the voltage between P/J231 pin 9 and frame ground. The volt- The Print Cartridge is a Xerox N2125 Print Cartridge. age is 0.0VDC with the print cartridge installed and 3.3VDC with the print cartridge removed.
Page 40: Rap 15 P1: Fuser Pause
11.8). Scroll to Reg Roll Clutch and press Enter. The Registration Roll rotate smoothly. Repair or replace the Registration Rolls (REP 5.6) as necessary. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 15 , RAP 16 2-22 DocuPrint N2125...
Page 41: Rap 17 Laser Fail / Power Off/On (U2)
On the Print Engine Controller PWB, check the voltage between P25 pin 3 and frame ground. The voltage is +5.0 VDC. Go to Replace the Print Engine Controller PWB (REP 9.3). Go to Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 16 , RAP 17 DocuPrint N2125 2-23...
Page 42: Rap 18 Fuser Failure Power Off/On (U4)
The incorrect data is read only. Set the data to the default value. Replace the Print Engine Controller PWB (REP 9.3). Go to Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 18 , RAP 19 2-24 DocuPrint N2125...
Page 43: Rap 20 Fan Failure Power Off Now (U5)
LVPS, check the voltage between P/J283 pin 2 and frame ground. The voltage is less than 1.0VDC. Replace the Fan Assembly (REP 9.1). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 20 , RAP 21 DocuPrint N2125 2-25...
Page 44: Rap 22 Paper Size Error
Check the Connector Harness Assembly. If OK, replace the Print Engine Controller PWB Middle (REP 9.3). Bottom Forward Cam Replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 22 , RAP 23 2-26 DocuPrint N2125...
Page 45: Rap 24 Inoperative Printer
Switch the printer power off. Disconnect P/J13 from the System Controller PWB. Switch the printer power on. Check the voltage between pins 3 and 4 on the disconnected plug. The voltage is 5.0VDC. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 24 DocuPrint N2125 2-27...
Page 46: Rap 25 Malfunctioning Lcd/Led
Switch the printer power on. Check the voltage between pins 3 and 4 on the discon- nected plug. The voltage is 5.0VDC. On the LVPS, check the voltage between P/J PN1 pins 1 and 2. The voltage is 24.0VDC. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 25 2-28 DocuPrint N2125...
Page 47: Rap 26 Inoperative Keypad
Keypad numbers (1-7) increment the counter. Keypad number [4] enters the test and (0) exits the test. Replace the Control Panel Assembly 1.1). Replace the System Controller PWB (REP 9.2). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 26 , RAP 27 DocuPrint N2125 2-29...
Page 48: Rap 28 Power Supply
P/J26 (HVPS PWB) (REP 9.6) • P/J27 (Fuser Sensors) (REP 6.2) Switch the printer power on and measure the voltages listed in Table 1. All voltages are correct. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 28 2-30 DocuPrint N2125...
Page 49: Rap 29 Main Motor Assembly
9.3). On the Print Engine Controller PWB, check the voltage between P/J28 pin 10 and frame ground. The voltage is 3.3 VDC. Replace the LVPS (REP 9.5). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 29 DocuPrint N2125 2-31...
Page 50: Rap 30 Laser Assembly
1). The resistance is between 7K and 380K ohms (depending on the temperature of the fuser). Repair or replace the Fuser Harness Assembly (REP 6.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 30 , RAP 31 2-32 DocuPrint N2125...
Page 51: Rap 32 Registration Sensor
Replace the Print Engine Controller PWB (REP 9.3). It appears that the Registration Sensor is working correctly. If a problem persists, replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 31 , RAP 32 DocuPrint N2125 2-33...
Page 52: Rap 33 Mbf No Paper Sensor
9.3). It appears that the MBF No Paper Sensor is working correctly. If a problem persists, replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 33 , RAP 34 2-34 DocuPrint N2125...
Page 53: Rap 35 Standard Bin Stack Full Sensor
Replace the Print Cartridge Sensor Assembly together with the harness (REP 7.3). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 35 , RAP 36 DocuPrint N2125 2-35...
Page 54: Rap 37 Tray Motor Assembly Checkout Procedure
Test. Scroll to Main Motor and press Enter. Scroll to Confirm Reg. Clutch and press Enter. The Registration Rolls rotate smoothly without stalling or jerking. Replace the Registration Clutch (REP 5.5) or Registration Rolls (REP 5.6). Problem Solved. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 37 , RAP 38 2-36 DocuPrint N2125...
Page 55: Rap 39 Turn Roll Clutch Assembly
Controller PWB (REP 9.3). Replace the Turn Roll Clutch (REP 3.2). If the problem persists, replace the Print Engine Con- troller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 39 , RAP 40 DocuPrint N2125 2-37...
Page 56: Rap 41 Mbf Feed Solenoid
Replace the MBF Feed Solenoid (REP 4.9). The MBF Feed Solenoid appears to operate correctly. If the problem persists, replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 41 , RAP 42 2-38 DocuPrint N2125...
Page 57: Rap 43 Hvps Assembly
Replace the following components one at a time until the cause of the problem is found. Problem Solved. • HVPS PWB Assembly (REP 9.6). • Print Engine Controller PWB (REP 9.3). Problem solved. Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 43 , RAP 44 DocuPrint N2125 2-39...
Page 58: Rap 45 Dimm 1 (0101)
Replace the System Controller PWB (REP 9.2). Replace the DIMM installed in slot 2 with a new DIMM 10.1). Replace the System Controller PWB (REP 9.2). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 44 , RAP 45 2-40 DocuPrint N2125...
Page 59: Rap 46 Dimm 2 (0102)
Replace the DIMM installed in slot 2 with a new DIMM 10.1). Replace the System Controller PWB (REP 9.2). Replace the System Controller PWB (REP 9.2). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 46, RAP 47 DocuPrint N2125 2-41...
Page 60: Rap 48 Exit Sensor
1 and 3, pins 1 and 4, and between pins 1 and 5. All readings are 25 to 35 ohms. Replace the Exit Motor (REP 6.5). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 48 , RAP 49 2-42 DocuPrint N2125...
Page 61: Rap 50 Load Mbf (C5)
Check the wiring harnesses. If the harnesses are in good condition, replace the Duplex PWB (REP 12.4). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 50 , RAP 51 DocuPrint N2125 2-43...
Page 62 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 50 , RAP 51 2-44 DocuPrint N2125...
Page 63: Rap 52 Low Paper Tray 2 (Or Tray 3) 550 Sheet Feeder
If the problem persists, replace the following in order until the problem is found: • Print Engine Controller PWB (REP 9.3). • Feeder PWB (REP 11.9). • Size PWB (REP 11.19) • Paper Feed Clutch (REP 11.10). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 52 , RAP 53 DocuPrint N2125 2-45...
Page 64: Rap 54 550 Sheet Feeder Assembly Not Recognized
Check the resistance between the bottom and top terminals of the mating connector on the paper tray 2. There is continuity between the two pins. Replace the paper tray mating connector 2.2). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 54 2-46 DocuPrint N2125...
Page 65: Rap 55 Duplex Unit Fail Or Removed (E9-1)
Registration Sensor. The Registration Sensor is working cor- rectly. Replace the Registration Sensor (REP 5.4). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 55, RAP 56 DocuPrint N2125 2-47...
Page 66 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 55, RAP 56 2-48 DocuPrint N2125...
Page 67: Rap 57 Offset Jam Open Rear Cover (E6-X)
10.7). Open the OCT Rear Cover. Check the OCT rollers. The OCT Rollers are rotating smoothly. Repair or replace the OCT Rollers as necessary (REP 10.14/REP 10.15). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 57 DocuPrint N2125 2-49...
Page 68: Rap 58 Oct Assy Not Recognized
(the count may have a short delay because of the sensor circuit). Go to Replace Print Engine Controller PWB (REP 9.3). Remove the paper stack. Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 58 , RAP 59 2-50 DocuPrint N2125...
Page 69: Rap 60 Oct Stack Full Sensor
10.13). If the problem persists, replace the OCT (REP 10.7). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 60, RAP 61 DocuPrint N2125 2-51...
Page 70 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 60, RAP 61 2-52 DocuPrint N2125...
Page 71: Rap 62 Envelope Feeder Not Recognized
Check the Envelope Feed Belts for wear and contamination. Check for belts slipping. Repair or replace as necessary. If Belts are in good condition and not slipping replace the Envelope Feed Problem solved. Clutch (REP 13.12). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 62, RAP 63 DocuPrint N2125 2-53...
Page 72: Rap 64 Envelope No Paper Sensor
9.3). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Replace the Print Engine Controller PWB (REP 9.3). Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 64, RAP 65 2-54 DocuPrint N2125...
Page 73: Rap 66 Envelope Feeder Jam (E2)
RAP 32 to check the Registration Sensor. The Registration Sensor is operating correctly. Replace the Registration Sensor (REP 5.4). Replace the Print Engine Controller PWB (REP 9.3). Initial Issue Status Indicator Repair Analysis Procedures 02/2000 RAP 66 DocuPrint N2125 2-55...
Page 74 Status Indicator Repair Analysis Procedures Initial Issue 02/2000 RAP 66 2-56 DocuPrint N2125...
Page 75 IQ RAP 14 Damaged Print ....................3-23 IQ RAP 15 Registration ....................3-24 IQ RAP 16 Skips / Smears ....................3-25 IQ RAP 17 Unfused Image....................3-25 IQ RAP 18 Resolution ..................... 3-26 Initial Issue Image Quality Repair Analysis Procedures 02/2000 DocuPrint N2125...
Page 76 Image Quality Repair Analysis Procedures Initial Issue 02/2000 DocuPrint N2125...
Page 77: Introduction
When the indicated corrective action has been completed, go to Section 1 and restart the Initial Actions to verify that the problem has been corrected. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Introduction, Measurements DocuPrint N2125...
Page 78: Image Quality Defect Definitions
UNFUSED IMAGE: Part of or all of the image is unfused. Refer to the specifi- IQ RAP 17 cation. RESOLUTION: At 600 DPI, the two pixel lines and halftone patches cannot IQ RAP 18 be reproduced clearly on the print. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Image Quality Defect Definitions DocuPrint N2125...
Page 79: Image Quality Checkout
Resolution and Uniformity (2 places) (Figure Solid Area Density (3 places) (Figure Half Tone Resolution (2 places). (Figure Go to Solid Area Density. Figure 1 System Controller Test Print. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Image Quality Checkout DocuPrint N2125...
Page 80: Solid Area Density
Go to IQ RAP 1 Light Prints The Solid Area Density is within specifications. Go to Background. Figure 1 Rating Guide Figure 1 Output Reference Document Image Quality Repair Analysis Procedures Initial Issue 02/2000 Solid Area Density, Background DocuPrint N2125...
Page 81: Deletions (Line, Band, Spots)
Spot Deletions. Go to IQ RAP 4 Horizontal Deletions. Go to IQ RAP 5 Vertical Deletions. Figure 1 Line, Band, or Spot Deletions. Figure 1 Fusing Quality. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Deletions , Fusing DocuPrint N2125...
Page 82: Resolution
IQ RAP 18 Resolution. The printed test patterns meet the Resolution specification. Go to the Registration (Side to Side). Figure 1 Registration (Side to Side). Figure 1 Resolution. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Resolution, Registration DocuPrint N2125...
Page 83: Registration (Lead Edge To Trail Edge)
The printed test patterns meet the Skew specification. Go to the Skips and Smears. Skew. Figure 1 Registration (Lead Edge to Trail Edge). Figure 1 Printer Engine Controller Test Pattern. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Registration , Skew DocuPrint N2125...
Page 84: Skips / Smears
The prints are free of spots or the spots that are visible fall within the acceptable range. Go to IQ RAP 3 Spots. Go to Other Print Defects. Figure 1 Spots. Figure 1 Skips / Smears. Image Quality Repair Analysis Procedures Initial Issue 02/2000 Skips / Smears, Spots 3-10 DocuPrint N2125...
Page 85: Other Print Defects
7.5). Inspect Laser beam path between the Laser Assembly and the Drum for obstruc- tions. The laser beam path is free of obstructions. Initial Issue Image Quality Repair Analysis Procedures 02/2000 Other Print Defects, IQ RAP 1 DocuPrint N2125 3-11...
Page 86: Iq Rap 2 Blank Prints
Reform or clean the Metal Grounding Contacts, so they make better contact with the drum shaft, or replace the Print Cartridge Side Guide (REP 7.5). Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 1 , IQ RAP 2 3-12 DocuPrint N2125...
Page 87: Iq Rap 3 Spots
(BTR). The image on the drum is completely developed; with sharp, black easily read areas and no spots. Go to Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 2 , IQ RAP 3 DocuPrint N2125 3-13...
Page 88: Iq Rap 4 Horizontal Deletions
Load fresh, dry paper. Run a test print. The problem is still present. Problem solved. Install a new Print Cartridge. The problem is still present. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 3, IQ RAP 4 3-14 DocuPrint N2125...
Page 89: Iq Rap 5 Vertical Deletions
Inspect the paper path, between feed and exit, for contamination or obstructions. The paper path is free of obstructions. Remove obstructions or contamination from the paper path. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 4 , IQ RAP 5 DocuPrint N2125 3-15...
Page 90: Iq Rap 6 Spot Deletions
Heat Roll. Open the fuser jam access cover. Rotate the fuser idler gear manu- ally and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of scratches and contamination. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 5 , IQ RAP 6 3-16 DocuPrint N2125...
Page 91: Iq Rap 7 Vertical Streaks
Install a new Print Cartridge. Run a Test Print. The vertical streaks are gone. Inspect the laser beam path between the Laser Assembly and the Drum. The laser beam path is free of obstructions. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 6 , IQ RAP 7 DocuPrint N2125 3-17...
Page 92: Iq Rap 8 Horizontal Streaks
Reform or clean the Metal Grounding Contacts, so it makes better contact with the drum shaft, or replace the Print Cartridge Side Guide (REP 7.5). Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 7 , IQ RAP 8 3-18 DocuPrint N2125...
Page 93: Iq Rap 9 Residual Image
Problem solved. Inspect the BTR Assembly for contamination and wear. The BTR is free of contamination and wear. Replace the BTR Assembly (REP 7.1). Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 8, IQ RAP 9 DocuPrint N2125 3-19...
Page 94: Iq Rap 10 Black Prints
Shield half of the window of the Laser Assembly. Run a Test Print. The print half white and half black. Go to Go to Problem solved. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 9, IQ RAP 10 3-20 DocuPrint N2125...
Page 95: Iq Rap 11 Background
Check the Fuser Assembly for worn parts and for contamination on the Fuser Roll or Pressure Roll. The Fuser Assembly is in good condition. Problem solved. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 11 , IQ RAP 12 DocuPrint N2125 3-21...
Page 96: Iq Rap 13 Skewed Image
Clean as necessary. • Check the feed chute between Tray 3 and Tray 2. Check for obstructions or contamination. Clean as necessary. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 12 , IQ RAP 13 3-22 DocuPrint N2125...
Page 97: Iq Rap 14 Damaged Print
Inspect all of the rolls along the paper path, between the feed tray and the exit tray, for contamination, wear or damage. The paper path rolls are free of contamination, wear, or damage. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 13 , IQ RAP 14 DocuPrint N2125 3-23...
Page 98: Iq Rap 15 Registration
(REP 7.4), System Controller PWB (REP 9.2). Have the customer send another print job. The print image is properly registered. Have the customer contact the Xerox Customer Support. Problem Solved. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 14 , IQ RAP 15...
Page 99: Iq Rap 16 Skips / Smears
Heat Roll. Open the fuser jam access cover. Rotate the fuser idler gear manually and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of scratches and contamination. Initial Issue Image Quality Repair Analysis Procedures 02/2000 IQ RAP 16 , IQ RAP 17 DocuPrint N2125 3-25...
Page 100: Iq Rap 18 Resolution
Replace the following, in order, until the defective component is found: Laser Assembly (REP 7.4) then the HVPS PWB (REP 9.6). Problem Solved. Image Quality Repair Analysis Procedures Initial Issue 02/2000 IQ RAP 17, IQ RAP 18 3-26 DocuPrint N2125...
Page 101 REP 4.7 Retard Pad Assembly ..................4-33 REP 10.1 Offset Catch Tray (OCT)................. 4-67 REP 4.8 MBF No Paper Sensor..................4-33 REP 10.2 Exit Tray Extension ..................4-67 REP 4.9 Pick Up Solenoid....................4-34 REP 10.3 Exit Tray......................4-68 Initial Issue Repair-Adjustment 02/2000 DocuPrint N2125...
Page 102 REP 12.8 Motor Assembly ....................4-97 REP 12.9 Rear Roll Assembly ..................4-97 REP 12.10 Middle Roll Assembly ................... 4-98 REP 12.11 Front Roll Assembly..................4-99 REP 12.12 Synchronous Belt..................4-100 REP 12.13 Transport Sensor ..................4-101 Repair-Adjustment Initial Issue 02/2000 DocuPrint N2125...
Page 103: Section Contents
Other than side-to-side and lead edge to trail edge registration, the N2125 printer does not contain any field adjustable components. WARNING Use of controls or adjustments other than those specified in this manual may result in an exposure to dangerous laser light. Initial Issue Repair-Adjustment 02/2000 Introduction DocuPrint N2125...
Page 104 Repair-Adjustment Initial Issue 02/2000 Introduction DocuPrint N2125...
Page 105: Rep 1.1 Left Interface Cover Assembly
Remove the Left Cover (Figure Figure 1 Left Interface Cover Replacement Figure 1 Left Cover Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 1.1, REP 1.2 DocuPrint N2125...
Page 106: Rep 1.3 Option Cover
Remove the Top Cover Assembly (Figure Figure 1 Option Cover Figure 1 Top Cover Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 1.3, REP 1.4 DocuPrint N2125...
Page 107: Rep 1.5 Right Cover
1 inch. Lower the cover to disconnect the three hooks at the top and bottom of the Right Cover (Figure Figure 1 Right Cover Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 1.5 DocuPrint N2125...
Page 108: Rep 1.6 Front Cover Assembly
Slide the Front Cover to the right and remove (Figure Figure 1 Front Cover Replacement Reinstall the components in the reverse order. Figure 1 Left Front Cover Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 1.6, REP 1.7 DocuPrint N2125...
Page 109: Rep 1.8 Rear Cover Assembly
Slide the Pivot Stopper that secures the left Rear Cover Assembly (Figure Slide the Rear Cover Assembly to the right (as viewed from the rear) (Figure Figure 2 Rear Cover Replacement Reinstall the components in the reverse order. Figure 1 Stopper Initial Issue Repair-Adjustment 02/2000 REP 1.8 DocuPrint N2125...
Page 110: Rep 1.9 Rear Face Up Cover Assembly
Remove the Rear Face Up Cover Assembly. Figure 1 Rear Face Up Cover Assembly Figure 1 Interlock Cover Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 1.9, REP 1.10 4-10 DocuPrint N2125...
Page 111: Rep 1.11 Left Plate Assembly
Remove the four screws that secure the Plate Handle to the printer and remove (Figure Figure 1 Plate Handle Replacement Reinstall the components in the reverse order. Figure 1 Left Plate Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 1.11, REP 1.12 DocuPrint N2125 4-11...
Page 112 Repair-Adjustment Initial Issue 02/2000 REP 1.11, REP 1.12 4-12 DocuPrint N2125...
Page 113: Rep 2.1 Retard Roll Assembly
Open the Retard Chute (Figure Lift the locking tab and remove the Retard Roll Assembly (Figure Figure 2 Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Retard Chute Initial Issue Repair-Adjustment 02/2000 REP 2.1 DocuPrint N2125 4-13...
Page 114: Rep 2.2 Friction Clutch Assembly
Remove the Friction Clutch Assembly from the shaft (Figure Replacement Reinstall the components in the reverse order. Figure 2 MBF Feed Roll Figure 1 Tray 1 Latches Figure 3 Friction Clutch Assembly Repair-Adjustment Initial Issue 02/2000 REP 2.2 4-14 DocuPrint N2125...
Page 115: Rep 2.3 Retard Spring
Figure 2 Retard Spring Replacement Reinstall the components in the reverse order. Ensure that the tab on the clutch is positioned on the pin on the Retard Shaft. Figure 1 Retard Chute Initial Issue Repair-Adjustment 02/2000 REP 2.3 DocuPrint N2125 4-15...
Page 116: Rep 2.4 Motor Assembly
Remove the three screws securing the Motor to the Motor Assembly (Figure Remove the Motor (Figure Figure 2 Motor Assembly Replacement Reinstall the components in the reverse order. Figure 1 Rear L Holder Repair-Adjustment Initial Issue 02/2000 REP 2.4 4-16 DocuPrint N2125...
Page 117: Rep 2.5 Connector And Socket Guide
(Figure Slide the Connector to disconnect it from the Socket Guide (Figure Figure 2 Connector and Socket Guide Replacement Reinstall the components in the reverse order. Figure 1 Rear L Holder Initial Issue Repair-Adjustment 02/2000 REP 2.5 DocuPrint N2125 4-17...
Page 118 Repair-Adjustment Initial Issue 02/2000 REP 2.5 4-18 DocuPrint N2125...
Page 119: Rep 3.1 Paper Feeder
15. Remove the Turn Roll Assembly together with the Extension Spring and Chute Spring (Figure Figure 1 Turn Clutch Assembly Figure 1 Paper Feeder Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 3.1, REP 3.2 DocuPrint N2125 4-19...
Page 120: Rep 3.3 Tray 1 No Paper Actuator
10. Remove the Right Cover (REP 1.5). 11. Remove the LVPS PWB (REP 9.5). 12. Remove the Paper Feeder (REP 3.1) Figure 1 No Paper Actuator Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 3.3 4-20 DocuPrint N2125...
Page 121: Rep 3.4 Stack Height Sensor
15. Release the five hooks, and remove the Sensor (Figure Figure 1 Stack Height Sensor Figure 1 Low Paper Sensor Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 3.4, REP 3.5 DocuPrint N2125 4-21...
Page 122: Rep 3.6 Feed Clutch Assembly
(Figure Figure 2 Feed Clutch Assembly Replacement Reinstall the components in the reverse order. Ensure that all alignment pins are properly inserted in the bracket holes before replacing the four screws. Repair-Adjustment Initial Issue 02/2000 REP 3.6 4-22 DocuPrint N2125...
Page 123: Rep 3.7 Feeder Assembly
16. Open the Front Chute Assembly (Figure NOTE: Caution: Don’t lose Bias Spring located under the Feeder Assembly (Figure 17. Slide the Feeder Assembly to the right and remove (Figure Figure 1 Feeder Assembly Bearing Initial Issue Repair-Adjustment 02/2000 REP 3.7 DocuPrint N2125 4-23...
Page 124: Rep 3.8 Paper Feed Rolls
15. Remove the four screws that secure the Feeder PWB to the Paper Feeder (Figure 16. Remove the PWB (Figure Figure 1 Paper Feed Rolls Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 3.8, REP 3.9 4-24 DocuPrint N2125...
Page 125: Rep 3.10 Feeder Socket
P/J671 14. Lift locking tabs and disconnect P/J671 from the Socket (Figure Figure 1 Feeder PWB Replacement Reinstall the components in the reverse order. Figure 1 Feeder Socket Initial Issue Repair-Adjustment 02/2000 REP 3.9, REP 3.10 DocuPrint N2125 4-25...
Page 126: Rep 3.11 Size Sensor Housing
10. Press the locking pin and slide the housing to the rear of the printer and remove (Figure Figure 1 Size Sensor Housing Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 3.10, REP 3.11 4-26 DocuPrint N2125...
Page 127: Rep 3.12 Size Sensor Actuators
10. Remove the four screws that secure the Size Sensor Actuators to the Size Sensor Hous- (Figure 11. From the back side, disengage the two Locking Tabs that secure the Size Sensor Actua- tors to the Housing Assembly and remove (Figure Figure 1 Size Sensor Actuators Initial Issue Repair-Adjustment 02/2000 REP 3.12 DocuPrint N2125 4-27...
Page 128: Rep 3.13 Tray 1 Size Pwb
13. Lift the PWB and disconnect P/J51 and P/J331. Figure 1 Tray 1 Size PWB Figure 1 Size M Harness Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 3.13, REP 3.14 4-28 DocuPrint N2125...
Page 129: Rep 4.1 Mbf Chute Assembly
11. Lift the right end of the shaft and remove (Figure Figure 1 MBF Pick Up Gear Spring Figure 1 MBF Chute Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 4.1, REP 4.2 DocuPrint N2125 4-29...
Page 130: Rep 4.3 Mbf Feed Roll
NOTE: Note the arrow on the side of the Feed Roll. Install with the arrow pointing in the direc- tion of rotation. Reinstall the components in the reverse order. Figure 3 MBF Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 4.2, REP 4.3 4-30 DocuPrint N2125...
Page 131: Rep 4.4 Tray Bottom Assembly
NOTE: After replacing the tray bottom, ensure that the sleeves on the Tray Bottom fit over the two posts on the MBF frame (see A, Figure Figure 1 Bottom Tray Assembly Chute Initial Issue Repair-Adjustment 02/2000 REP 4.4 DocuPrint N2125 4-31...
Page 132: Rep 4.5 Mbf No Paper Actuator
Lift the Tray Pick Up from the Bottom Tray Assembly and remove (Figure Figure 1 MBF No Paper Actuator Replacement Reinstall the components in the reverse order. Figure 1 Tray Pick Up Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 4.5, REP 4.6 4-32 DocuPrint N2125...
Page 133: Rep 4.7 Retard Pad Assembly
(Figure 10. Disconnect P/J451 from the No Paper Sensor (Figure Figure 1 Bottom Tray Pick Up Figure 1 Retard Pad Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 4.7, REP 4.8 DocuPrint N2125 4-33...
Page 134: Rep 4.9 Pick Up Solenoid
Remove the solenoid (Figure Figure 2 MBF No Paper Sensor Replacement Reinstall the components in the reverse order. Figure 1 Pick Up Solenoid Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 4.8, REP 4.9 4-34 DocuPrint N2125...
Page 135: Rep 4.10 Envelope Connector Assembly
Slide the Envelope Connector Assembly and the Mounting to the left and remove (Figure Remove the Envelope connector Assembly from the MBF Assembly. Figure 1 Envelope Connector Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 4.10 DocuPrint N2125 4-35...
Page 136 Repair-Adjustment Initial Issue 02/2000 REP 4.10 4-36 DocuPrint N2125...
Page 137: Rep 5.1 Paper Handler Assembly
10. Lift the right end slightly and remove the Paper Handler (Figure Figure 2 Gear 14 Paper Handler Assembly Figure 1 Shaft 14 Paper Handler Assembly Figure 3 Paper Handler Assembly Initial Issue Repair-Adjustment 02/2000 REP 5.1 DocuPrint N2125 4-37...
Page 138: Rep 5.2 Toner Sensor
Release the front locking tab and remove the Sensor (Figure Disconnect P/J421 from the Toner Sensor (Figure Figure 4 Paper Handler Assembly Removal Replacement Reinstall the components in the reverse order. Figure 1 Toner Sensor Kit Repair-Adjustment Initial Issue 02/2000 REP 5.1, REP 5.2 4-38 DocuPrint N2125...
Page 139: Rep 5.3 Registration Actuator
Move the Actuator to the left until the right end is free (Figure 10. Remove the Actuator. Figure 1 Registration Actuator Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 5.2, REP 5.3 DocuPrint N2125 4-39...
Page 140: Rep 5.4 Registration Sensor
10. Disconnect P/J432 from the Registration Sensor. Figure 1 Registration Sensor Replacement Figure 1 Registration Clutch Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 5.4, REP 5.5 4-40 DocuPrint N2125...
Page 141: Rep 5.6 Rubber Registration Roll
(Figure Figure 1 Registration Roll 14. Remove the left and right bearings from the Rubber Registration Roll (Figure 15. Lift the right end of the Rubber Registration Roll and remove (Figure Initial Issue Repair-Adjustment 02/2000 REP 5.6 DocuPrint N2125 4-41...
Page 142 Figure 3 Rubber Registration Roll Replacement Reinstall the components in the reverse order. Figure 2 Registration Springs Repair-Adjustment Initial Issue 02/2000 REP 5.6 4-42 DocuPrint N2125...
Page 143: Rep 6.1 Transport Chute Assembly
(Figure 1). Remove Assembly. Figure 1 Transport Chute Assembly Figure 1 Fuser Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 6.1, REP 6.2 DocuPrint N2125 4-43...
Page 144: Rep 6.3 Fuser Harness Assembly
22. Pull the Fuser Harness Assembly from the left side of the printer (Figure 23. Remove the two screws that secure the Fuser Harness Assembly to the printer (Figure 24. Remove the Fuser Harness Assembly. Repair-Adjustment Initial Issue 02/2000 REP 6.3 4-44 DocuPrint N2125...
Page 145: Rep 6.4 Exit Chute Assembly
11. Remove the four screws that secure the Exit Chute Assembly to the printer (Figure 12. Remove the Exit Chute Assembly (Figure Figure 2 Exit Chute Assembly Replacement Reinstall the components in the reverse order. Figure 1 Exit Chute Harness Assembly Initial Issue Repair-Adjustment 02/2000 REP 6.4 DocuPrint N2125 4-45...
Page 146: Rep 6.5 Exit Motor Assembly
12. Remove the Motor (Figure Figure 1 Exit Sensor Replacement Figure 1 Exit Motor Assembly Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 6.5, REP 6.6 4-46 DocuPrint N2125...
Page 147: Rep 6.7 Mid 1 & Mid 2 Roll Assemblies
16. Remove the Roll Assembly together with the Exit Bearing from the Exit Chute Assembly (Figure (Figure 2), or (Figure 17. Remove the left Exit Bearing from the Roll Assembly. Figure 1 Exit 17 & Exit 32 Gears Initial Issue Repair-Adjustment 02/2000 REP 6.7 DocuPrint N2125 4-47...
Page 148 Figure 2 Mid 1 Roll Assembly Figure 3 Mid 2 Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 6.7 4-48 DocuPrint N2125...
Page 149: Rep 6.8 Stack Full Actuator
Lift the right end of the Actuator free of the Exit Chute Assembly (Figure Remove the Actuator. Figure 2 Stack Full Actuator Replacement Reinstall the components in the reverse order. Figure 1 Static Eliminator Assembly Initial Issue Repair-Adjustment 02/2000 REP 6.8 DocuPrint N2125 4-49...
Page 150: Rep 6.9 Fuser Upper Cover Assembly/ Heat Rod
Remove the four screws and the Fuser Upper Cover (Figure Figure 3 Heat Rod Figure 1 Fuser Assembly Figure 4 Fuser Upper Cover Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 6.9 4-50 DocuPrint N2125...
Page 151: Rep 7.1 Btr Assembly
Assembly from the printer (Figure Figure 1 BTR Assembly Replacement Reinstall the components in the reverse order. Figure 1 EP Cartridge Top Guide Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 7.1, REP 7.2 DocuPrint N2125 4-51...
Page 152: Rep 7.3 Print Cartridge Sensor Assembly
11. With a small screwdriver pry the left shaft free of the assembly. Remove the Sensor Assembly (Figure Figure 1 Print Cartridge Sensor Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 7.3 4-52 DocuPrint N2125...
Page 153: Rep 7.4 Laser Assembly
12. Remove the Spring Clip (Figure Figure 1 Laser Assembly Replacement Figure 1 Print Cartridge Side Guide Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 7.4, REP 7.5 DocuPrint N2125 4-53...
Page 154 Repair-Adjustment Initial Issue 02/2000 REP 7.4, REP 7.5 4-54 DocuPrint N2125...
Page 155: Rep 8.1 Main Motor Assembly
19. Remove the four screws that secure the Drive Gear Assembly from the left side of the printer. (Screws are marked with a “D”) (Figure Figure 1 Main Motor Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 8.1, REP 8.2 DocuPrint N2125 4-55...
Page 156 20. Pull bottom of assembly out and lower the assembly to release the locking tab and remove (Figure Figure 1 Drive Gear Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 8.2 4-56 DocuPrint N2125...
Page 157: Rep 9.1 Fan Assembly
11. Remove the four screws securing the assembly to the printer (Figure 12. Remove the Fan (Figure Figure 1 Fan Assembly Replacement Reinstall the components in the reverse order. Figure 1 System Controller PWB Initial Issue Repair-Adjustment 02/2000 REP 9.1, REP 9.2 DocuPrint N2125 4-57...
Page 158: Rep 9.3 Print Engine Controller Pwb
P/J33, P/J34 and P/J35 from the Print Engine Controller PWB. Remove the four screws that secure the Print Engine Controller PWB to the printer. Remove the Print Engine Controller PWB (Figure Figure 1 Print Engine Controller PWB Repair-Adjustment Initial Issue 02/2000 REP 9.2, REP 9.3 4-58 DocuPrint N2125...
Page 159: Rep 9.4 5Vdc Pwb
Remove the two screws that secure the 5VDC PWB to the printer (Figure Remove the 5VDC PWB (Figure Figure 1 5VDC PWB Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.3, REP 9.4 DocuPrint N2125 4-59...
Page 160: Rep 9.5 Lvps Pwb
13. Releasing the two hooks that secure the HVPS PWB to the Housing, remove the HVPS (Figure Figure 1 LVPS PWB Figure 1 Transport Chute Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 9.5, REP 9.6 4-60 DocuPrint N2125...
Page 161: Rep 9.7 Connector Pwb
Remove the Connector PWB (Figure Figure 2 HVPS PWB Replacement Reinstall the components in the reverse order. Figure 1 Connector PWB Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.6, REP 9.7 DocuPrint N2125 4-61...
Page 162: Rep 9.8 Main Switch
Press the locking tabs and push the rear of the Main Switch so that it comes out of the front of the printer (Figure Disconnect the Harness from the Main Switch, and remove the Main Switch from the printer (Figure Figure 1 Main Switch Repair-Adjustment Initial Issue 02/2000 REP 9.8 4-62 DocuPrint N2125...
Page 163: Rep 9.9 Front Interlock Switch Assembly
(Figure Figure 1 Rear Interlock Switch Assembly Figure 1 Front Interlock Switch Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.9, REP 9.10 DocuPrint N2125 4-63...
Page 164: Rep 9.11 Offset Catch Tray Harness Assembly
19. Remove the two screws that secure the Duplex Harness Assembly to the printer (Figure Figure 1 Offset Catch Tray Harness Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 9.11, REP 9.12 4-64 DocuPrint N2125...
Page 165 20. Remove the Duplex Harness Assembly (Figure Figure 1 Duplex Harness Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 9.12 DocuPrint N2125 4-65...
Page 166 Repair-Adjustment Initial Issue 02/2000 REP 9.12 4-66 DocuPrint N2125...
Page 167: Rep 10.1 Offset Catch Tray (Oct)
Slide the tray to the right and remove (Figure Figure 1 Exit Tray Extension Replacement Reinstall the components in the reverse order. Figure 1 Offset Catch Tray Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.1, REP 10.2 DocuPrint N2125 4-67...
Page 168: Rep 10.3 Exit Tray
Push the left hinge pin in until it is free of the Offset Catch Tray (Figure Remove the Exit Tray. Figure 2 Exit Tray Replacement Reinstall the components in the reverse order. Figure 1 Exit Tray Paper Weight Repair-Adjustment Initial Issue 02/2000 REP 10.3 4-68 DocuPrint N2125...
Page 169: Rep 10.4 Rear Cover Assembly
Hold the Stack Height Sensor Actuator out as you reinstall the lower cover. Figure 1 Rear Cover Assembly Reinstall the components in the reverse order Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.4, REP 10.5 DocuPrint N2125 4-69...
Page 170: Rep 10.6 Inner Exit Chute Assembly
(Figure Figure 1 Inner Exit Chute Assembly Figure 1 Offset Catch Tray PWB Replacement Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.6, REP 10.7 4-70 DocuPrint N2125...
Page 171: Rep 10.8 Motor Drive Assembly
Install the motor with both tabs touching the plastic standoffs. The ground wire on top and the earth plate at the bottom should be on the outside (Figure Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.8, REP 10.9 DocuPrint N2125 4-71...
Page 172: Rep 10.10 Direction Solenoid
1). Remove the Solenoid. Figure 1 Direction Solenoid Replacement Reinstall the components in the reverse order. Figure 1 Exit Sensor Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.10, REP 10.11 4-72 DocuPrint N2125...
Page 173: Rep 10.12 Stack Full Sensor Actuator
1). Remove the sensor. Figure 1 Stack Full Sensor Actuator Replacement Reinstall the components in the reverse order. Figure 1 Stack Full Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.12, REP 10.13 DocuPrint N2125 4-73...
Page 174: Rep 10.14 Offset Roll Assembly
13. Release the two locking tabs and remove the Offset Level from the Offset Roll Assembly (Figure 14. Remove the Exit Shaft (Figure Figure 1 Offset Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.14 4-74 DocuPrint N2125...
Page 175: Rep 10.15 Mid Roll Assembly
13. Slide the shaft to the right and remove the left end of the Mid Roll Assembly. Remove the Figure 2 Locking Tab, Exit Gear, and Bearings assembly (Figure Figure 3 Mid Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Ground Plate Initial Issue Repair-Adjustment 02/2000 REP 10.15 DocuPrint N2125 4-75...
Page 176: Rep 10.16 Offset Assembly
13. Remove the Offset Assembly (Figure Figure 1 Offset Motor Assembly Replacement Reinstall the components in the reverse order. Figure 1 Offset Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 10.16, REP 10.17 4-76 DocuPrint N2125...
Page 177: Rep 10.18 Offset Assembly Home Sensor
10. Move the motor linkage until the flag is clear of the Sensor (Figure 11. Release the locking tabs and remove the Offset Assembly Home Sensor (Figure Figure 1 Offset Assembly Home Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 10.18 DocuPrint N2125 4-77...
Page 178 Repair-Adjustment Initial Issue 02/2000 REP 10.18 4-78 DocuPrint N2125...
Page 179: Rep 11.1 Printer Removal
Lift slightly to remove the cover (Figure Figure 1 Right Cover Replacement Reinstall the components in the reverse order. Figure 1 Optional Feeder Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.1, REP 11.2 DocuPrint N2125 4-79...
Page 180: Rep 11.3 550 Sheet Feeder Left Cover
Remove the Gear Bracket Assembly. Figure 1 Left Cover Replacement Reinstall the components in the reverse order. Figure 1 Gear Bracket Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.3, REP 11.4 4-80 DocuPrint N2125...
Page 181: Rep 11.5 Top Plate
Remove the Feeder Drive Assembly (Figure Figure 1 Feeder Drive Assembly Figure 1 Top Plate Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.5, REP 11.6 DocuPrint N2125 4-81...
Page 182: Rep 11.7 No Paper Actuator
12. Unhook the left and right Extension Springs from the two notches (Figure 13. Remove the Chute Spring (Figure Figure 1 No Paper Actuator Figure 1 Turn Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.7, REP 11.8 4-82 DocuPrint N2125...
Page 183: Rep 11.9 Feeder Pwb
Remove the four screws that secure the Feeder PWB and remove the PWB (Figure Figure 3 Extension Springs Replacement Reinstall the components in the reverse order. Figure 1 Feeder PWB Initial Issue Repair-Adjustment 02/2000 REP 11.8, REP 11.9 DocuPrint N2125 4-83...
Page 184: Rep 11.10 Feed Clutch Assembly
10. Remove the E-ring that secures the Feed Clutch Assembly to the feeder (Figure 11. Remove the Feed Clutch (Figure 12. Disconnect P/J651 From the Feed Clutch (Figure Figure 1 Bracket Repair-Adjustment Initial Issue 02/2000 REP 11.9, REP 11.10 4-84 DocuPrint N2125...
Page 185: Rep 11.11 Paper Feed Rolls
Repeat with rear Feed Roll (Figure Figure 2 Feed Clutch Assembly Replacement Reinstall the components in the reverse order. Figure 1 Paper Feed Rolls Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.10, REP 11.11 DocuPrint N2125 4-85...
Page 186: Rep 11.12 Feeder Assembly
Reinstall the components in the reverse order. NOTE: Caution: Don’t lose Bias Spring located under the Feeder Assembly. 12. Slide the Feeder Assembly to the right and remove (Figure Figure 1 E-Ring & Bearing Repair-Adjustment Initial Issue 02/2000 REP 11.12 4-86 DocuPrint N2125...
Page 187: Rep 11.13 Stack Height Sensor
Release the five hooks and remove the Sensor (Figure Figure 1 Stack Height Sensor Replacement Reinstall the components in the reverse order. Figure 1 Low Paper Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.13, REP 11.14 DocuPrint N2125 4-87...
Page 188: Rep 11.15 Feeder Socket
Disconnect P/J52 from the Size Option PWB and remove the Harness Assembly (Figure Figure 1 Feeder Socket Replacement Figure 1 Removing Harness Assembly Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 11.15, REP 11.16 4-88 DocuPrint N2125...
Page 189: Rep 11.17 Size Sensor Housing Assembly
Figure 2 Disconnecting Boss Figure 1 Size Sensor Housing Assembly Figure 3 Size Sensor Harness Assembly Replacement Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.16, REP 11.17 DocuPrint N2125 4-89...
Page 190: Rep 11.18 Size Sensor Actuators
Position the Size Sensor Actuators below the Housing Assembly as shown. Press and hold (B) to allow the actuators (C) to fall into position. During reassembly ensure that locking tabs slide into position. Repair-Adjustment Initial Issue 02/2000 REP 11.18 4-90 DocuPrint N2125...
Page 191: Rep 11.19 Size Pwb
(Figure Figure 1 Tray 2 Size PWB Replacement Figure 1 Size M Harness Assembly Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 11.19, REP 11.20 DocuPrint N2125 4-91...
Page 192 Repair-Adjustment Initial Issue 02/2000 REP 11.19, REP 11.20 4-92 DocuPrint N2125...
Page 193: Rep 12.1 Duplex Assembly
Remove the Turn Chute Assembly (Figure Figure 1 Turn Chute Assembly Replacement Figure 1 Duplex Assembly Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.1, REP 12.2 DocuPrint N2125 4-93...
Page 194: Rep 12.3 Duplex Cover
Remove the Duplex PWB (Figure Figure 1 Duplex PWB Replacement Figure 1 Duplex Cover Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.3, REP 12.4 4-94 DocuPrint N2125...
Page 195: Rep 12.5 Drive Cover
Remove the two screws that secure the Connector Chute Assembly (Figure Figure 1 Drive Cover Replacement Reinstall the components in the reverse order. Figure 1 Connector Chute Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.5, REP 12.6 DocuPrint N2125 4-95...
Page 196: Rep 12.7 Upper Chute Assembly
Lift the right end to remove it from the right mounting (Figure Move the Upper Chute Assembly to the right and remove. Figure 2 Upper Chute Assembly Replacement Reinstall the components in the reverse order. Figure 1 Locking Tabs Repair-Adjustment Initial Issue 02/2000 REP 12.7 4-96 DocuPrint N2125...
Page 197: Rep 12.8 Motor Assembly
10. Move the Rear Roll Assembly forward, then to the left until the right end is free (Figure 11. Remove the Rear Roll Assembly (Figure Figure 1 Locking Tab and Rear Belt Stopper Figure 1 Motor Assembly Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.8, REP 12.9 DocuPrint N2125 4-97...
Page 198: Rep 12.10 Middle Roll Assembly
(Fig- Figure 2 Rear Roll Assembly 14. Remove the Middle Roll Assembly (Figure Replacement Reinstall the components in the reverse order. Figure 1 Locking Tab and Middle Belt Stopper Repair-Adjustment Initial Issue 02/2000 REP 12.9, REP 12.10 4-98 DocuPrint N2125...
Page 199: Rep 12.11 Front Roll Assembly
Lift the Roll Assembly and move it to the left until the right end is free (Figure Remove the Front Roll Assembly (Figure Figure 2 Middle Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Locking Tab and Front Belt Stopper Initial Issue Repair-Adjustment 02/2000 REP 12.10, REP 12.11 DocuPrint N2125 4-99...
Page 200: Rep 12.12 Synchronous Belt
Remove the Synchronous Belt from the pulleys (Figure Figure 2 Front Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Synchronous Belt Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 12.11, REP 12.12 4-100 DocuPrint N2125...
Page 201: Rep 12.13 Transport Sensor
Remove the Sensor (Figure Figure 1 Face Up Tray Sensor Replacement Figure 1 Transport Sensor Reinstall the components in the reverse order. Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 12.13, REP 12.14 DocuPrint N2125 4-101...
Page 202 Repair-Adjustment Initial Issue 02/2000 REP 12.13, REP 12.14 4-102 DocuPrint N2125...
Page 203: Rep 13.1 Bottom Cover
Lift the Bottom Cover and remove the harness connector from the cover (Figure Figure 1 Top Chute Figure 1 Bottom Cover Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 13.1, REP 13.2 DocuPrint N2125 4-103...
Page 204: Rep 13.3 Envelope Feeder Pwb
Remove the screw that secures the Feeder PWB to the frame (Figure Figure 1 Retard Roll Assembly Replacement Reinstall the components in the reverse order. Figure 1 Envelope Feeder PWB Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 13.3, REP 13.4 4-104 DocuPrint N2125...
Page 205: Rep 13.5 Exit Pinch Roll
Remove the Exit Pinch Roll (Figure Figure 1 Exit Pinch Roll Figure 1 Exit Sensor Assembly Replacement Replacement Reinstall the components in the reverse order. Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 13.5, REP 13.6 DocuPrint N2125 4-105...
Page 206: Rep 13.7 Weight Arm
Remove the Weight Arm (Figure Figure 1 Tray Extension Replacement Reinstall the components in the reverse order. Figure 1 Weight Arm Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 13.7, REP 13.8 4-106 DocuPrint N2125...
Page 207: Rep 13.9 No Paper Actuator
Disconnect P/J415 from the sensor (Figure Figure 1 No Paper Actuator Replacement Reinstall the components in the reverse order. Figure 1 No Paper Sensor Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 13.9, REP 13.10 DocuPrint N2125 4-107...
Page 208: Rep 13.11 Gear Cover
(Figure Figure 1 Torque Clutch Figure 1 Gear Cover Replacement Reinstall the components in the reverse order. Figure 2 Feed Clutch Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 13.11, REP 13.12 4-108 DocuPrint N2125...
Page 209: Rep 13.13 Transport Roll Assembly
Move the right bearing and Transport Roll Shaft to the left until it is free of the right sup- port (Figure Lift and remove the Transport Roll Assembly (Figure Figure 1 Torque Clutch Figure 2 Transport Roll Assembly Initial Issue Repair-Adjustment 02/2000 REP 13.13 DocuPrint N2125 4-109...
Page 210: Rep 13.14 Bottom Roll Assembly
10. Raise the right end of the shaft and remove (Figure Figure 2 Clutch and Bearing Figure 1 Torque Clutch Figure 3 Bottom Roll Assembly Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 13.14 4-110 DocuPrint N2125...
Page 211: Rep 13.15 Feed Roll Assembly 1
11. If replacing the feeder rolls, remove the rolls from the assembly (Figure Figure 2 Feed Roll Shaft Figure 1 Bearing Figure 3 Feed Roll Assembly 1 Replacement Reinstall the components in the reverse order. Initial Issue Repair-Adjustment 02/2000 REP 13.15 DocuPrint N2125 4-111...
Page 212: Rep 13.16 Feed Roll Assembly 2
If replacing the feeder rolls, remove the feeder rolls from the assembly (Figure Figure 2 Feed Roll Shaft Figure 3 Feed Roll Assembly 2 Figure 1 Torque Clutch and Bearing Replacement Reinstall the components in the reverse order. Repair-Adjustment Initial Issue 02/2000 REP 13.16 4-112 DocuPrint N2125...
Page 213: Rep 13.17 Feed Belts
10. Rotate one side of the belt and slide it through the slot in the frame (Figure 2). Remove Figure 2 Feed Belts the belts. Replacement Reinstall the components in the reverse order. Figure 1 Pinch Roll Initial Issue Repair-Adjustment 02/2000 REP 13.17 DocuPrint N2125 4-113...
Page 214 Repair-Adjustment Initial Issue 02/2000 REP 13.17 4-114 DocuPrint N2125...
Page 215: Adj 1.1 Registration
In the process direction, increasing the value moves the image toward the trail edge and decreasing the value moves the image towards the lead edge. Initial Issue Repair-Adjustment 02/2000 ADJ 1.1 DocuPrint N2125 4-115...
Page 216 Repair-Adjustment Initial Issue 02/2000 ADJ 1.1 4-116 DocuPrint N2125...
Page 217: 5 Parts-List
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 Envelope Feeder (2 of 2) ................... 5-20 Initial Issue Parts-list 02/2000 DocuPrint N2125...
Page 218 Parts-list Initial Issue 02/2000 DocuPrint N2125...
Page 219 A notation "(part of item 1.1)" indicates that the part is included with item 1.2.1 (PL1.2, line item 1). Other Information Abbreviations Abbreviations which may be used in the parts lists text or illustrations are as follows: US ------ United States Parts Distribution System Initial Issue Parts-list 02/2000 Introduction DocuPrint N2125...
Page 220: Pl 1.1 Covers (1 Of 3)
110V) 892E03010 Control Panel Overlay (Symbols 220V) 892E15040 Control Panel Overlay (Spanish) 892E15050 Control Panel Overlay (Portuguese) 892E15020 Control Panel Overlay (French Canadian) 892E08500 Xerox Logo Badge 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 1.1 DocuPrint N2125...
Page 221: Pl 1.2 Covers (2 Of 3)
Right Pivot Stopper 3E46120 Stopper - - - - - Duplex Guide Rail-Left - - - - - Duplex Guide Rail-Right 802K10010 Rear Cover Assembly (with 1-9) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 1.2 DocuPrint N2125...
Page 222: Pl 1.3 Covers (3 Of 3) Options
Face-up Chute Assembly - - - - - Right Stopper Pivot - - - - - Face-up Ground Spring 3E46120 Right Stopper 600K79530 Cap Kit (quantity 2) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 1.3 DocuPrint N2125...
Page 223: Pl 2.1 Tray 1 (1 Of 2)
- - - - - Pinion - - - - - Sub Cassette Assembly - - - - - Tray 1 Actuator - - - - - Actuator Cover 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 2.1 DocuPrint N2125...
Page 224: Pl 2.2 Tray 1 (2 Of 2)
- - - - - Bearing - - - - - Motor Holder Assembly 114E11680 Connector - - - - - Spring - - - - - Socket Guide 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 2.2 DocuPrint N2125...
Page 225: Pl 3.1 Paper Feeder
Actuator & Support Kit (with 11, 12) 22K56900 Feeder Assembly 1 Kit (with 1-40) 600K79550 Feed Roll Kit (item 26- quantity 3) 108R00330 Feed Roll Usage Kit (item 44- quantity 2) 600K79660 Hardware Kit (includes screw) Initial Issue Parts-list 02/2000 PL 3.1 DocuPrint N2125...
Page 226: Pl 4.1 Mbf Chute
Envelope Connector Assembly - - - - - MBF (Left) Cam Pick-up 162K47021 MBF No Paper Harness Assembly (J45-J451) 19K96830 Pick Up Pad Assembly (with 9, 10) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 4.1 DocuPrint N2125 5-10...
Page 227: Pl 5.1 Paper Handler Assembly
- - - - - TNS Cushion 6E60980 Shaft 14 7E54650 Gear 14 809E19030 Registration Spring Left 600K79380 Toner Sensor Kit (with 1-3, 32 & 33) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 5.1 DocuPrint N2125 5-11...
Page 228: Pl 6.1 Chute Transport & Fuser
Heat Rod (120V) 126K09710 Heat Rod (230V) 108R00328 Usage Kit (120V) (with Fuser, BTR, 3 Feed Rolls) 108R00329 Usage Kit (230V) (with Fuser, BTR, 3 Feed Rolls) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 6.1 DocuPrint N2125 5-12...
Page 229: Pl 7.1 Exit
Exit Gear -32 - - - - - Exit Ground Spring 600K79540 Bearing Kit (quantity 6 of item 6) 54K15890 Exit Chute Assembly (with 1-16, 17, 19-24) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 7.1 DocuPrint N2125 5-13...
Page 230: Pl 8.1 Drive & Xerographics
Print Cartridge Side Guide - - - - - Spring Clip 7K85220 Drive Gear Assembly 127K27791 Main Motor Assembly 32K94130 Print Cartridge Sensor Kit (with 2, 5, 6) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 8.1 DocuPrint N2125 5-14...
Page 231: Pl 9.1 Frame & Size Sensor
Tray 1 Size PWB 162K48420 Size Harness Assembly (J51-J52) - - - - - Size Sensor Housing 802K09970 Size Sensor 1 Kit (with 13-21) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 9.1 Frame & Size Sensor DocuPrint N2125 5-15...
Page 232: Pl 10.1 Electrical
10 Base 2 Network Card 160K71540 Token Ring Card Hard Disk Drive 733W14695 16 mb Dimm 733W14696 32 mb Dimm 733W14697 64 mb Dimm 160K71940 8 mb Flash Dimm 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 10.1 DocuPrint N2125 5-16...
Page 233: Pl 11.1 500 Sheet Feeder (1 Of 2)
Main Frame Assembly 802E04930 Right Side Cover 22K56910 Feeder Assembly 109R00448 Cassette Assembly 802E04920 Left Side Cover 600K79670 Screw (quantity 3) 802K09980 Size Sensor Housing Assembly (with 5-13) 600K79660 Hardware Kit (Includes Screws) Initial Issue Parts-list 02/2000 PL 11.1 DocuPrint N2125 5-17...
Page 234: Pl 11.2 500 Sheet Feeder (2 Of 2)
Socket & Harness Kit (with 39, 40) 600K79650 Actuator & Support Kit (with 11, 12) 22K56900 Feeder Assembly 1 Kit (with 1-40) 108R00330 Feed Roll Usage Kit (item 41- quantity 2) 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 11.2 DocuPrint N2125 5-18...
Page 235: Envelope Feeder
Sensor Harness Assembly 130K60390 Exit Sensor Assembly - - - - - Weight Cover - - - - - Weight Plate 600K79310 Retard Roll Kit Assembly 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 12.1 DocuPrint N2125 5-19...
Page 236: Pl 12.2 Envelope Feeder (2 Of 2)
Main Harness Assembly - - - - - Clutch Harness Assembly - - - - - Envelope PWB - - - - - No Paper Harness Assembly 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 12.2 DocuPrint N2125 5-20...
Page 237: Duplex
- - - - - Connector Chute Assembly Connector 54K15061 Upper Chute Assembly - - - - - Duplex Drive Cover - - - - - Lower Duplex Chute Assembly 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 13.1 DocuPrint N2125 5-21...
Page 238: Pl 13.2 Duplex (2 Of 2)
Face Up Tray Sensor 160K53051 Duplex PWB - - - - - Duplex Cover 130K83310 Duplex Transport Sensor - - - - - Duplex Handle Label 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 13.2 DocuPrint N2125 5-22...
Page 239: Offset Catch Tray
Weight Link 802E02773 Rear Cover 802E02755 OCT Cover 54K14842 Inner Exit Chute Assembly - - - - - Hook Cover - - - - - Lower Cover 600K79660 Hardware Kit (Includes Screw) Initial Issue Parts-list 02/2000 PL 14.1 DocuPrint N2125 5-23...
Page 240: Pl 14.2 Offset Catch Tray (2 Of)
- - - - - OCT Wire Assembly - - - - - Sensor Bracket - - - - - Saddle Edge - - - - - Exit Pinch Spring 600K79660 Hardware Kit (Includes Screw) Parts-list Initial Issue 02/2000 PL 14.2 5-24 DocuPrint N2125...
Page 241 GP 3.11 Envelope Feeder....................6-39 GP 3.12 Offset Catch Tray (OCT) ................... 6-41 GP 3.13 Option Feeder Assembly................... 6-44 Menu Maps GP 4.1 Menu Maps ......................6-47 Supplemental Tools, Supplies, & Hardware Initial Issue General Procedures / Information 02/2000 DocuPrint N2125...
Page 242 General Procedures / Information Initial Issue 02/2000 DocuPrint N2125...
Page 243: Introduction
Install provides the procedures required to install the machine and options. The Principles of Operation have been added to provide additional machine operation theory and information to help in resolving obscure machine faults. Initial Issue General Procedures / Information 02/2000 Introduction DocuPrint N2125...
Page 244 General Procedures / Information Initial Issue 02/2000 Introduction DocuPrint N2125...
Page 245: Gp 1.1 General Specifications
Edge to edge printing capability. Within the 4mm border (4 sides) the printer will print any data 6 point Arial or larger. Maximum paper load 550 sheets of RX 80 A4 paper, or Xerox 20lb Letter size paper. Operating environment 5 - 35°C / 41°...
Page 246: Gp 1.2 Safety Standards
FPOT = t + 2.4 seconds (from tray 3) dic agency approvals including NEMKO, SEMKO, SETI FPOT from the Sleep Mode add up to 65 seconds to each value. and DEMKO. General Procedures / Information Initial Issue 02/2000 GP 1.2 , GP 1.3 DocuPrint N2125...
Page 247: Gp 1.4 Continuous Printing Speed After The First Sheet Out
Card Stock:216gsm (80lb) Table 3 MBF (2 of 2) Type Paper Stack Capacity Fuji Xerox P A4 120 sheets Xerox 20lb Letter, RX 80 A4 100 sheets Standard 20lb Paper 11.5 mm (.45") stacking height Transparency, Label, Postcard 30 sheets...
Page 248 • Envelope Feeder (optional) Transparency 216 x 279mm (8.5" x 11")(Letter) Xerox P/N 3R2780 (US) 216 x 279mm (8.5" x 11")(Letter) 3M P/N CG3300 Optional Envelope feeder for the N2125 printer, enables the feeding of envelopes. The 210 x 297mm (8.25" x 11.7")(A4) Xerox 3R91334 (Europe) table shows available paper sizes and stack capacity (Table 4).
Page 249 210 x 297 mm (8.27" x Duplex Duplex 11.69") B5-JIS 182 x 257 mm (7.16" x Duplex Duplex 10.12") B5-ISO 176.0 x 250.0 mm (6.93" x Simplex CUS* 9.84") Initial Issue General Procedures / Information 02/2000 GP 1.5 DocuPrint N2125...
Page 250 Letter 11.0") Labels 210.0 x 297.0 mm (8.27" x Simplex Simplex 11.69") Custom Simplex Width: 76.2- 215.9mm (3" - 8.5") Length: 127.0 - 355.6 mm (5" - 14") General Procedures / Information Initial Issue 02/2000 GP 1.5 6-10 DocuPrint N2125...
Page 251: Gp 1.6 Printing Accuracy
Table 1 Customer Replaceable Units Prints Weight (toner) 10K Print Cartridge 10,000 420 grams (.9lbs) 15K Print Cartridge 15,000 620 grams (1.36lb) Fuser Assembly (includes BTR) 200,000 Initial Issue General Procedures / Information 02/2000 GP 1.6 , GP 1.7 DocuPrint N2125 6-11...
Page 252: Gp 1.8 Options
The tray holds up to 500 sheets of paper, in four different 97S02380 paper sizes. Envelope Feeder Provides continuous envelope feed. Customer Order Number: 97S02388 Figure 1 Optional Feeders General Procedures / Information Initial Issue 02/2000 GP 1.8 , GP 1.9 6-12 DocuPrint N2125...
Page 253: Gp 1.10 Duplex Assembly Specifications
Figure 1 Duplex Specifications Power Supply The +24VDC and +3.3VDC are supplied from the LVPS PWB through the Print Engine Control- ler PWB to the Duplex Assembly. Initial Issue General Procedures / Information 02/2000 GP 1.9 , GP 1.10 DocuPrint N2125 6-13...
Page 254: Gp 1.11 Offsetting Catch Tray Assembly Specifications
PWB to the OCT. Power Supply The +24VDC and +3.3VDC are supplied from the LVPS PWB through the Print Engine Control- ler PWB and Connector PWB. General Procedures / Information Initial Issue 02/2000 GP 1.11 , GP 1.12 6-14 DocuPrint N2125...
Page 255: Gp 2.1 Power On Diagnostics
Smart Diagnostic will allow system administrator to: – Query printer for configuration sheet, and Fault history log to prescribed printer address or E-mail address. Figure 1 Power On Diagnostic LEDs Initial Issue General Procedures / Information 02/2000 GP 2.1 , GP 2.2 DocuPrint N2125 6-15...
Page 256: Gp 2.3 Keys Pad & Led Layout
Figure 1 Keys Pad and LED Layout Menu, NVM Menu, Component Menu. On-line Stops routing in process and clears error mes- (Press and hold for 1 second) sages from Control Panel. General Procedures / Information Initial Issue 02/2000 GP 2.3 , GP 2.4 6-16 DocuPrint N2125...
Page 257 Input Tray (Tray 1, Tray 2, Tray 3, MBF, EBF) Feeder • Output Tray (Standard, OCT) Top cover, Rear cover, open, Close Top cover, Close Rear • Duplex (Off, On) Face-up open Cover, face-up • Print Pattern Initial Issue General Procedures / Information 02/2000 GP 2.5 DocuPrint N2125 6-17...
Page 258 11. Press key 3 or 7 to change the NVM value to a different value. Press key 4 to store the new value. If key 4 is pressed, a message "Wrote value to NVM" will appear for about 1 second on the LCD. General Procedures / Information Initial Issue 02/2000 GP 2.5 , GP 2.6 6-18 DocuPrint N2125...
Page 259 DL 110.0 x 220.0 (4.3" x 8.6") 168°C / 334° F C5 162.0 x 229.0 (6.4" x 9") 172°C / 342° F COM 10 176°C / 349° F B5 (ISO) Initial Issue General Procedures / Information 02/2000 GP 2.6 DocuPrint N2125 6-19...
Page 260: Gp 2.7 Component Test
Confirm MBF Feed Solenoid Confirm Tray 1 Feed Clutch Confirm Tray 2 Feed Clutch Confirm Tray 3 Feed Clutch Confirm EBF Clutch Confirm OPT Dir Operation General Procedures / Information Initial Issue 02/2000 GP 2.6 , GP 2.7 6-20 DocuPrint N2125...
Page 261: Gp 2.8 Entering Download Mode
IOT ROM Checksum Check sum displays for 5 seconds Paper Tray Size Reading Press key 4 to scroll through different tray - press key 0 to exit Initial Issue General Procedures / Information 02/2000 GP 2.7 , GP 2.8 DocuPrint N2125 6-21...
Page 262: Gp 2.9 To Reset Fuser
No (default) Disk Initialize Yes (Hard drive installed) No (default) Disk Format Yes (Hard drive installed) No (default) Flash Format Yes (Flash DIMM installed) No (default) General Procedures / Information Initial Issue 02/2000 GP 2.9 , GP 2.10 6-22 DocuPrint N2125...
Page 263: Gp 2.11 System Controller Reset
NOTE: This will reset all network addresses to the factory default. Power down printer. Simultaneously hold keys 0 and 7 down. Power up printer, wait for message "NVM Erased!" to appear on the LCD then release both keys. Initial Issue General Procedures / Information 02/2000 GP 2.11 DocuPrint N2125 6-23...
Page 264 General Procedures / Information Initial Issue 02/2000 GP 2.11 6-24 DocuPrint N2125...
Page 265: Gp 3.1 Print Process Overview
The pages following Figure 2 describe in detail each step of the print cycle. Initial Issue General Procedures / Information 02/2000 GP 3.1 DocuPrint N2125 6-25...
Page 266 AC voltage. The DC voltage is the voltage that is used to transfer toner from the Magnetic Roll to the surface of the drum. The AC voltage agitates the toner on the Magnetic Roll and makes toner transfer easier. General Procedures / Information Initial Issue 02/2000 GP 3.1 6-26 DocuPrint N2125...
Page 267 BTR. Once the positive voltage is neutralized, the paper strips easily off of the drum surface. Initial Issue General Procedures / Information 02/2000 GP 3.1 DocuPrint N2125 6-27...
Page 268: Gp 3.2 The Paper Path
Print Cartridge (Figure 8). Figure 1 The Three Possible Paper Paths Figure 8 Side View of the Print Cartridge General Procedures / Information Initial Issue 02/2000 GP 3.1 , GP 3.2 6-28 DocuPrint N2125...
Page 269: Gp 3.3 Drive Flow
Figure 2 Cut-away Side View of the Printer Showing the Paper Path Figure 1 Drive Flow Through the Printer Initial Issue General Procedures / Information 02/2000 GP 3.1 , GP 3.2 DocuPrint N2125 6-29...
Page 270 Assembly actuates it transmits the energy to the Turn Roll Assembly. the end of the MBF Shaft Assembly. Figure 2 Drive transmission to the MBF Roll Assembly Figure 3 Drive transmission to the Turn Roll Assembly General Procedures / Information Initial Issue 02/2000 GP 3.3 6-30 DocuPrint N2125...
Page 271 Assembly. When the Feed Clutch Assembly actuates, it transmits the energy to the Feed Roll Rubber Registration Roll. Assembly. Figure 4 Drive transmission to the Feeder Assembly Figure 5 Drive transmission to the Rubber Registration Roll Initial Issue General Procedures / Information 02/2000 GP 3.3 DocuPrint N2125 6-31...
Page 272 Heat Roll Gear located on the Heat Roll. Figure 7 Drive transmission to the Fuser Assembly Figure 6 Drive transmission to the Drum and BTR General Procedures / Information Initial Issue 02/2000 GP 3.3 6-32 DocuPrint N2125...
Page 273: Gp 3.4 Print Engine Controller And Control Panel Functions
System Controller and signals pass through the Print Engine Controller PWB via the System Controller. Figure 8 Drive transmission to the Exit Components Initial Issue General Procedures / Information 02/2000 GP 3.3 , GP 3.4 DocuPrint N2125 6-33...
Page 274: Gp 3.5 Power Supplies
Switch the power supply OFF, then Laser Trouble (U2 Error Code) ON again to reset the circuit after an overcurrent shutdown. There are three major causes of U2 errors. General Procedures / Information Initial Issue 02/2000 GP 3.5 , GP 3.6 6-34 DocuPrint N2125...
Page 275: Gp 3.7 Fuser Control
• Open Front Cover Assembly • Laser failure (U2) • CPU or NVRAM problem (U6) • Main Motor Assembly problem (U1) • Fan problem (U5) Initial Issue General Procedures / Information 02/2000 GP 3.6 , GP 3.7 DocuPrint N2125 6-35...
Page 276: Gp 3.8 Erase Cycle
Fuser control temperature - 2 °C Fuser On Temperature Low Trouble Temperature Approximately 155 oC (Standby temperature - approximately 25 °C) General Procedures / Information Initial Issue 02/2000 GP 3.7 , GP 3.8 6-36 DocuPrint N2125...
Page 277: Gp 3.9 Fan Control
Output Tray. During duplexing to ensure proper collation of the output documents, even sides are printed first. Figure 1 The Duplex Assembly Paper Path Initial Issue General Procedures / Information 02/2000 GP 3.9 , GP 3.10 DocuPrint N2125 6-37...
Page 278 Involving a single sheet of paper. The first side of the page is printed, then the second side is Gears - printed and the page is sent to the output tray. General Procedures / Information Initial Issue 02/2000 GP 3.10 6-38 DocuPrint N2125...
Page 279: Gp 3.11 Envelope Feeder
10. The printer transports the duplexed printed second sheet to the output tray. 11. This process repeats for additional prints. Figure 1 The Envelope Feeder Paper Path Initial Issue General Procedures / Information 02/2000 GP 3.10 , GP 3.11 DocuPrint N2125 6-39...
Page 280 25, 26, 26A and 26B Prevents the clockwise rotation. Feed 1 Roll Assembly Transfers the envelope by its counterclockwise rotation Feed 2 Roll Assembly and Roll Assembly Bottom General Procedures / Information Initial Issue 02/2000 GP 3.10 , GP 3.11 6-40 DocuPrint N2125...
Page 281: Gp 3.12 Offset Catch Tray (Oct)
Controls the Envelope Feeder and is the signal interface to the Print Engine Controller PWB. Figure 1 The OCT Paper Path Figure 4 Major Components of the Envelope Feeder Initial Issue General Procedures / Information 02/2000 GP 3.11 , GP 3.12 DocuPrint N2125 6-41...
Page 282 Shifts the Offset Roll Assembly. Full Stack Sensor and Actuator Full Stack Detects when the stacking of the Tray Exit exceeds 500 sheets of paper. OCT PWB General Procedures / Information Initial Issue 02/2000 GP 3.11 , GP 3.12 6-42 DocuPrint N2125...
Page 283 If a sheet of paper is either early or late arriving at any point, the Print Engine Controller PWB interprets this devia- tion as a paper jam. Initial Issue General Procedures / Information 02/2000 GP 3.12 DocuPrint N2125 6-43...
Page 284: Gp 3.13 Option Feeder Assembly
One of the conditions of the E6-2 jam is the same as the condition of the E6-1 jam. Another is the signal of the OCT Exit Sensor Assembly turns Low during the warming-up. Figure 1 The Option Feeder Paper Path General Procedures / Information Initial Issue 02/2000 GP 3.12 , GP 3.13 6-44 DocuPrint N2125...
Page 285 Assembly to the Turn Roll Assembly by turning on and off the Turn Roll clutch. When this clutch is activated, the drive power is transmitted to the Turn Roll Assembly through the Gear OPT to the gear of the Clutch Assembly Feed. Initial Issue General Procedures / Information 02/2000 GP 3.12 , GP 3.13 DocuPrint N2125 6-45...
Page 286 Detects the state of the paper level (the position of the top sheet of paper). This sensor is actu- ated by the Nudger Support Assembly. Size Switch Mounted on the Feeder PWB and detects when the Paper Tray Assembly is out of paper. General Procedures / Information Initial Issue 02/2000 GP 3.13 6-46 DocuPrint N2125...
Page 287: Gp 4.1 Menu Maps
Some of the Menus and Items in the following maps are only displayed if an associated option is installed. These options entries are flagged with the symbol “_” following the entry. Figure 1 Job Menu/Print Menu/Reset Menu Figure 2 Password Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-47...
Page 288 General Procedures / Information Initial Issue 02/2000 GP 4.1 6-48 DocuPrint N2125...
Page 289 Figure 3 Tray Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-49...
Page 290 Figure 4 PCL Menu General Procedures / Information Initial Issue 02/2000 GP 4.1 6-50 DocuPrint N2125...
Page 291 Figure 5 System Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-51...
Page 292 Figure 6 Parallel Menu Figure 7 Serial Menu General Procedures / Information Initial Issue 02/2000 GP 4.1 6-52 DocuPrint N2125...
Page 293 Figure 8 USB Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-53...
Page 294 Figure 9 Ethernet Menu General Procedures / Information Initial Issue 02/2000 GP 4.1 6-54 DocuPrint N2125...
Page 295 Figure 10 Token Ring Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-55...
Page 296 Figure 11 Novell Menu General Procedures / Information Initial Issue 02/2000 GP 4.1 6-56 DocuPrint N2125...
Page 297 Figure 13 Reset Menu Figure 12 Print Menu Initial Issue General Procedures / Information 02/2000 GP 4.1 DocuPrint N2125 6-57...
Page 298 General Procedures / Information Initial Issue 02/2000 GP 4.1 6-58 DocuPrint N2125...
Page 299 Cleaning Pad Kit 600S4372 Fuser Cleaning Solvent Pads 43P83 General Cleaning Solvent 8R90176 Test Pattern, Output Performance 82P520 Test Pattern, Visual Scale 82P284 14" Magnetic Screwdriver 600T91798 Yellow Towels 35P1638 Initial Issue General Procedures / Information 02/2000 GP 5.1 DocuPrint N2125 6-59...
Page 300 General Procedures / Information Initial Issue 02/2000 GP 5.1 6-60 DocuPrint N2125...
Page 301: Wiring Data
7 Wiring Data Section Contents ......................Base Engine ........................550 Sheet Paper Feeder ....................7-20 Duplex Assembly......................7-24 Offset Catch Tray ......................7-28 Envelope Feeder ......................7-33 Initial Issue Wiring Data 02/2000 DocuPrint N2125...
Page 302 Wiring Data Initial Issue 02/2000 DocuPrint N2125...
Page 303: Section Contents
Cross-reference the letter and number of the P/J coordinates with the letters and numbers on the map. • The P/J connector is located within the area where the coordinates cross. Initial Issue Wiring Data 02/2000 Section Contents, Base Engine DocuPrint N2125...
Page 304 Connects the Rear Interlock Switch to the Print Engine Controller PWB P/J31 (Figure Connects the Stack Full Sensor to the Print Engine Control- ler PWB P/J32 (Figure Connects the Exit Motor Assembly to the Print Engine Con- troller PWB Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2125...
Page 305 P/J Maps Figure 2 Base Engine P/J Location Map (2 of 2) Figure 1 Base Engine P/J Location Map (1 of 2) Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125...
Page 306 Wiring Diagram Notations The wiring diagrams presented in this manual use the following circuit notations to describe components and signal paths within the printer (Figure Figure 3 Wiring Diagram Notations Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2125...
Page 307 Block Diagram Figure 4 Block Diagram (1 of 2) Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125...
Page 308 Figure 5 Block Diagram (2 of 2) Wiring Data Initial Issue 02/2000 Base Engine DocuPrint N2125...
Page 309 FAN ALARM Fan monitor signal. Goes Low when the rotation of the Fan Assembly is abnor- (TTL) Low: 0V (Abnormal), High: 3.3V (Normal) Figure 6 Block Diagram Tray 2 and Tray 3 Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125...
Page 310 LVPS PWB <=> Fan Assembly path: Table 3 Signal Names Signal Name Description FAN ALARM Actuates the Cassette 1 Feed Solenoid (Normally LOW (0V), and HIGH (3.3V) when paper is fed) Wiring Data Initial Issue 02/2000 Base Engine 7-10 DocuPrint N2125...
Page 311 Print Engine Controller PWB <=> HVPS PWB <=> BTR, Print Cartridge, and Fuser Assembly DB-DA Constant-frequency pulse signal that provides the source of oscillation for gen- erating the AC component of the DB (Development Bias) in the HVPS Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125 7-11...
Page 312 HVPS output to the BCR HVPS output to the BTR (+DC in Transfer operation, and -DC when cleaning the BTR) HVPS output to the Detack Saw HVPS output to the Pressure Roll Wiring Data Initial Issue 02/2000 Base Engine 7-12 DocuPrint N2125...
Page 313 Signal from the Exit Sensor. This signal is Low (0V) when the Exit Sensor is activated, and High (3.3V) when deactuated. Signal from the Temperature Sensor which monitors the Fuser Heat Roll temperature. (Analog) Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125 7-13...
Page 314 Stack Sensor is actuated, and High (3.3V) when deactuated 24V EXIT MOT Signal from the Rear Interlock Switch Assembly. Goes Low (0V) when the Cover Rear is open and breaks the 24VDC circuit for the Exit Motor Assembly. Wiring Data Initial Issue 02/2000 Base Engine 7-14 DocuPrint N2125...
Page 315 Figure 12 Print Engine Controller PWB <=> Size 1 PWB <=> Feeder PWB <=> Low Paper Sensor, Stack Height Sensor, Feed Clutch Assembly, Turn Clutch Assembly, Motor Assembly Print Engine Controller PWB <=> Size 1 PWB <=> Feeder PWB <=> Low Paper Sensor, Stack Height Sensor, Feed Clutch Assembly, Turn Clutch Assembly and Motor Assembly Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125 7-15...
Page 316 Signal from the No Paper 1 Sensor (equipped on the Feeder). This signal is Low when the No Paper 1 Sensor is activated. Signal Levels: High = 3.3V Low = 0V Wiring Data Initial Issue 02/2000 Base Engine 7-16 DocuPrint N2125...
Page 317 High: 5V Low: 0V /EXIT XB Phase XB drive signal for the stepping motor (LOW when driving, and High when not driving) Signal Levels: High = 24V Low = 0V Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125 7-17...
Page 318 Signal Name Description /NO PRM Signal from the Paper Set Sensor. This signal is Low when the Paper Set Sensor is activated. Signal Levels: High = 3.3V Low = 0V Wiring Data Initial Issue 02/2000 Base Engine 7-18 DocuPrint N2125...
Page 319 Fuser Print Engine Controller PWB <=> Laser Assem- bly path: Table 12 Signal Names Signal Name Description P.DATA Print Image Data Signal Levels: High = 3.3V Low = 0V Initial Issue Wiring Data 02/2000 Base Engine DocuPrint N2125 7-19...
Page 320: 550 Sheet Paper Feeder
Cross-reference the letter and number of the P/J coordinates with the letters and numbers /ACK on the map. The P/J connector is located within the area where the coordinates cross. DAT_OUT DAT_IN /STB /RESET Wiring Data Initial Issue 02/2000 Base Engine, 550 Sheet Paper Feeder 7-20 DocuPrint N2125...
Page 321 P/J 672 Connects the Cassette Assembly to the Feeder Assembly. P/J 673 Connects the Motor Assembly to the Connector. P/J Map Figure 1 550 Sheet Paper Feeder P/J Map Initial Issue Wiring Data 02/2000 550 Sheet Paper Feeder DocuPrint N2125 7-21...
Page 322 Block Diagram - 550 Sheet Feeder Figure 2 550 Sheet Feeder Block Diagram Wiring Data Initial Issue 02/2000 550 Sheet Paper Feeder 7-22 DocuPrint N2125...
Page 323 LOW PAP 1(/2/3) Signal from the Low Paper Sensor. This signal is Low when the Low Paper Sensor is activated. Signal Levels: High = 3.3V Low = 0V Initial Issue Wiring Data 02/2000 550 Sheet Paper Feeder DocuPrint N2125 7-23...
Page 324: Duplex Assembly
Cross-reference the letter and number of the P/J coordinates with the letters and numbers on the map. • The P/J connector is located within the area where the coordinates cross. Wiring Data Initial Issue 02/2000 Duplex Assembly 7-24 DocuPrint N2125...
Page 325 Connects the Duplex Sensor Harness Assembly to the Sensor Photo IN-H(L). J 391 Connects the Duplex Option Harness Assembly to the Printer Assembly. (Print Engine Controller PWB) P/J Map Figure 1 Duplex Assembly P/J Map Initial Issue Wiring Data 02/2000 Duplex Assembly DocuPrint N2125 7-25...
Page 326 Block Diagram Print Engine Controller PWB <=> Duplex PWB (Figure (Table Figure 3 Print Engine Controller PWB <=> Duplex PWB Figure 2 Duplex Assembly Block Diagram Wiring Data Initial Issue 02/2000 Duplex Assembly 7-26 DocuPrint N2125...
Page 327 Duplex Assembly is in the correct position. Signal Levels: High = 3.3V Low = 0V Figure 4 Duplex PWB <=> Sensor Photo IN-H(L), Duplex Sensor Assembly and Duplex Motor Assembly Initial Issue Wiring Data 02/2000 Duplex Assembly DocuPrint N2125 7-27...
Page 328: Offset Catch Tray
Cross-reference the letter and number of the P/J coordinates with the letters and numbers on the map. The P/J connector is located within the area where the coordinates cross. Wiring Data Initial Issue 02/2000 Offset Catch Tray 7-28 DocuPrint N2125...
Page 329 Connects the OCT Harness Assembly SNR to the OCT Exit Sensor Assembly. P/J 228 Connects the OCT Harness Assembly SNR to the Direction Sole- noid. P/J Map Figure 1 OCT P/J Map Initial Issue Wiring Data 02/2000 Offset Catch Tray DocuPrint N2125 7-29...
Page 330 Block Diagram Print Engine Controller PWB <=> OCT PWB (Figure (Table Figure 2 OCT Block Diagram Figure 3 Print Engine Controller PWB <=> OCT PWB Wiring Data Initial Issue 02/2000 Offset Catch Tray 7-30 DocuPrint N2125...
Page 331 Offset Roll Assembly. Turning Low of this signal informs the OCT PWB that the initiation of the Offset Roll Assembly is completed. Signal Levels: High = 3.3V Low = 0V Initial Issue Wiring Data 02/2000 Offset Catch Tray DocuPrint N2125 7-31...
Page 332 OCT PWB <=> Drive Motor Assembly and Offset Motor Assembly path: Table 4 Signal Names Signal Name Description Motor control signal Signal: Pulse Motor control signal Signal: Pulse Motor control signal Signal: Pulse Wiring Data Initial Issue 02/2000 Offset Catch Tray 7-32 DocuPrint N2125...
Page 333: Envelope Feeder
Cross-reference the letter and number of the P/J coordinates with the letters and numbers on the map. The P/J connector is located within the area where the coordinates cross. Initial Issue Wiring Data 02/2000 Offset Catch Tray, Envelope Feeder DocuPrint N2125 7-33...
Page 334 Connects the Sensor Harness Assembly to the Envelope Exit Sen- sor Assembly. P/J 418 Connects the Main Harness Assembly to the Envelope Connector. P/J Map Figure 1 Envelope Feeder P/J Map Wiring Data Initial Issue 02/2000 Envelope Feeder 7-34 DocuPrint N2125...
Page 335 Print Engine Controller PWB <=> Connector PWB <=> Envelope PWB (Figure (Table Figure 2 Envelope Feeder Block Diagram Figure 3 Print Engine Controller PWB <=> Connector PWB <=> Envelope PWB Initial Issue Wiring Data 02/2000 Envelope Feeder DocuPrint N2125 7-35...
Page 336 Control signal for the clutch. This signal is Low when the Envelope Feeder PWB makes the clutch active. Figure 4 Envelope PWB <=> Envelope Exit Sensor Assembly, No Paper Sensor and Clutch Wiring Data Initial Issue 02/2000 Envelope Feeder 7-36 DocuPrint N2125...

Xerox DocuPrint N2125 Service Manual

Table of Contents

1 Service Call Procedures

2 Status Indicator Repair Analysis Procedures

3 Image Quality Repair Analysis Procedures

4 Repair-Adjustment

Tray

Repair-Adjustment

5 Parts-List

Optional Feeder 2

Optional Feeder 1

Envelope Feeder

Duplex

Duplex 2

Offset Catch Tray

6 General Procedures / Information

Quick Links

Chapters

Related Manuals for Xerox DocuPrint N2125

Summary of Contents for Xerox DocuPrint N2125