
3-34
Phaser 4400 Laser Printer Service Manual
Exit Sensor
9
Inspect all of the grounds in the printer.
Are all the grounds securely connected?
Contact
Xerox
Escalated
HW Support.
Repair the
bad grounds.
Exit Sensor Troubleshooting Procedure
Step Actions and Questions
Yes
No
1
1. Open the printer Rear Cover.
2. Remove the Duplex Module, if installed.
3. Open the Fuser Access Cover and check that the Exit
Sensor Actuator moves smoothly and is not broken.
Make sure the actuator flag blocks the Exit Sensor
when the access cover is closed.
Is the actuator in good condition and does it
move smoothly?
Go to step 2.
Replace the
Fuser
Assembly
(RRP 6.2 on
page 6-66
).
2
1. Enter Service Diagnostics, select Sensor Tests and
press
OK
.
2. Scroll to Exit Sensor (Fuser) and press
OK.
3. Open the rear cover and open the Fuser Access
Cover.
4. Use a folded piece of paper to block and unblock the
Fuser Exit Sensor.
Does the message on the Front Panel display
alternate between With Paper and Without Paper
as you block and unblock the sensor?
Replace the
Engine Logic
Board (RRP
9.3 on
page 6-89
).
Go to step 3.
3
1. Switch the printer power OFF.
2. Remove the Left Interface Cover (RRP 1.1 on
page 6-6
), Left Cover (RRP 1.2 on
page 6-7
), and the
Left Plate (RRP 1.11 on
page 6-16
).
3. Disconnect P/J27 from the Engine Logic Board.
Switch the printer power ON. Check the voltage
between P/J27 pin 3 and frame ground.
Is the voltage 3.3 VDC?
Go to step 5.
Go to step 4.
4
On the Engine Logic Board, check the voltage between
P/J28 pin 10 and frame ground.
Is the voltage 3.3 VDC?
Replace the
Engine Logic
Board (RRP
9.3 on
page 6-89
).
Replace the
LVPS (RRP
9.5 on
page 6-91
).
5
1. Switch the printer power OFF.
2. Reconnect P/J27 to the Engine Logic Board.
3. Switch the printer power ON.
4. Measure the voltage between P/J27 pin 5 and frame
ground as you block and unblock the Fuser Exit
Sensor.
Is the voltage 3.3 VDC when the Fuser Exit
Sensor is blocked and 0.0 VDC when
unblocked?
Replace the
Engine Logic
Board (RRP
9.3 on
page 6-89
).
Replace the
Fuser
Assembly
(RRP 6.2 on
page 6-66
).
Electrical Noise Troubleshooting Procedure (cont'd.)
Step Actions and Questions
Yes
No
Содержание 4400DT - Phaser B/W Laser Printer
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Страница 190: ...Phaser 4400 Laser Printer Service Manual 4 9 Print Engine NVRAM There is no single reset for the Print Engine NVRAM...
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Страница 212: ...Phaser 4400 Laser Printer Service Manual 6 19 Retard Roller Assembly...
Страница 214: ...Phaser 4400 Laser Printer Service Manual 6 21 Retard Roller Friction Clutch Assembly...
Страница 218: ...Phaser 4400 Laser Printer Service Manual 6 25 Motor Assembly...
Страница 220: ...Phaser 4400 Laser Printer Service Manual 6 27 Connector and Socket Guide...
Страница 231: ...6 38 Phaser 4400 Laser Printer Service Manual Feeder PWB...
Страница 239: ...6 46 Phaser 4400 Laser Printer Service Manual MPT Pick Up Cam MPT Roller Assembly...
Страница 247: ...6 54 Phaser 4400 Laser Printer Service Manual MPT No Paper Sensor...
Страница 251: ...6 58 Phaser 4400 Laser Printer Service Manual Paper Handler Assembly Paper Handler Assembly Removal...
Страница 257: ...6 64 Phaser 4400 Laser Printer Service Manual Registration Springs Rubber Registration Roller...
Страница 261: ...6 68 Phaser 4400 Laser Printer Service Manual Fuser Harness Assembly...
Страница 263: ...6 70 Phaser 4400 Laser Printer Service Manual Exit Chute Assembly...
Страница 268: ...Phaser 4400 Laser Printer Service Manual 6 75 Mid 1 Roller Assembly Mid 2 Roller Assembly...
Страница 271: ...6 78 Phaser 4400 Laser Printer Service Manual Heat Rod Fuser Upper Cover...
Страница 279: ...6 86 Phaser 4400 Laser Printer Service Manual Drive Gear Assembly...
Страница 286: ...Phaser 4400 Laser Printer Service Manual 6 93 HVPS PWB...
Страница 293: ...6 100 Phaser 4400 Laser Printer Service Manual Duplex Harness Assembly...
Страница 296: ...Phaser 4400 Laser Printer Service Manual 6 103 Exit Tray Paper Weight Exit Tray...
Страница 309: ...6 116 Phaser 4400 Laser Printer Service Manual Locking Tab Exit Gear and Bearings Mid Roller Assembly...
Страница 330: ...Phaser 4400 Laser Printer Service Manual 6 137 Size Sensor Housing Assembly 4...
Страница 341: ...6 148 Phaser 4400 Laser Printer Service Manual Upper Chute Assembly...
Страница 345: ...6 152 Phaser 4400 Laser Printer Service Manual Locking Tab and Belt Retainer Flange Middle Roller Assembly...
Страница 364: ...Phaser 4400 Laser Printer Service Manual 6 171 Clutch and Bearing Bottom Roller Assembly...
Страница 366: ...Phaser 4400 Laser Printer Service Manual 6 173 Feed Roller Shaft Feed Roller Assembly 1...
Страница 368: ...Phaser 4400 Laser Printer Service Manual 6 175 Feed Roller Shaft Feed Roller Assembly 2...
Страница 370: ...Phaser 4400 Laser Printer Service Manual 6 177 Feed Belts...
Страница 371: ...6 178 Phaser 4400 Laser Printer Service Manual...
Страница 374: ...Phaser 4400 Laser Printer Service Manual 7 3 PL 1 1 Covers 1 of 2 Exploded View...
Страница 376: ...Phaser 4400 Laser Printer Service Manual 7 5 PL 1 2 Covers 2 of 2 Exploded View...
Страница 378: ...Phaser 4400 Laser Printer Service Manual 7 7 PL 2 1 Tray 1 1 of 2 Exploded View...
Страница 380: ...Phaser 4400 Laser Printer Service Manual 7 9 PL 2 2 Tray 1 2 of 2 Exploded View...
Страница 382: ...Phaser 4400 Laser Printer Service Manual 7 11 PL 3 1 Paper Feeder Exploded View...
Страница 384: ...Phaser 4400 Laser Printer Service Manual 7 13 PL 4 1 MPT Chute Exploded View...
Страница 386: ...Phaser 4400 Laser Printer Service Manual 7 15 PL 5 1 Paper Handler Assembly Exploded View...
Страница 388: ...Phaser 4400 Laser Printer Service Manual 7 17 PL 6 1 Chute Transport and Fuser Exploded View...
Страница 390: ...Phaser 4400 Laser Printer Service Manual 7 19 PL 7 1 Exit Exploded View...
Страница 392: ...Phaser 4400 Laser Printer Service Manual 7 21 PL 8 1 Drive and Xerographics Exploded View...
Страница 394: ...Phaser 4400 Laser Printer Service Manual 7 23 PL 9 1 Frame and Size Sensor Exploded View...
Страница 396: ...Phaser 4400 Laser Printer Service Manual 7 25 PL 10 1 Electrical Exploded View...
Страница 398: ...Phaser 4400 Laser Printer Service Manual 7 27 PL 11 1 550 Sheet Feeder 1 of 2 Exploded View...
Страница 400: ...Phaser 4400 Laser Printer Service Manual 7 29 PL 11 2 550 Sheet Feeder 2 of 2 Exploded View...
Страница 402: ...Phaser 4400 Laser Printer Service Manual 7 31 PL 12 1 Envelope Feeder 1 of 2 Exploded View...
Страница 404: ...Phaser 4400 Laser Printer Service Manual 7 33 PL 12 2 Envelope Feeder 2 of 2 Exploded View...
Страница 406: ...Phaser 4400 Laser Printer Service Manual 7 35 PL 13 1 Duplex 1 of 2 Exploded View...
Страница 408: ...Phaser 4400 Laser Printer Service Manual 7 37 PL 13 2 Duplex 2 of 2 Exploded View...
Страница 410: ...Phaser 4400 Laser Printer Service Manual 7 39 PL 14 1 Stacker 1 of 2 Exploded View...
Страница 412: ...Phaser 4400 Laser Printer Service Manual 7 41 PL 14 2 Stacker 2 of 2 Exploded View...
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Страница 443: ...8 30 Phaser 4400 Laser Printer Service Manual Duplex Unit Paper Path...
Страница 459: ...8 46 Phaser 4400 Laser Printer Service Manual Major Components of the Option Feeder Assembly...
Страница 465: ...9 6 Phaser 4400 Laser Printer Service Manual Base Engine P J Maps Base Engine P J Location Map 1 of 2...
Страница 466: ...Phaser 4400 Laser Printer Service Manual 9 7 Base Engine P J Location Map 2 of 2 910 1 910 1...
Страница 467: ...9 8 Phaser 4400 Laser Printer Service Manual Base Engine Block Diagrams Base Engine Block Diagram 1 of 4 1...
Страница 468: ...Phaser 4400 Laser Printer Service Manual 9 9 Base Engine Block Diagram 2 of 4 2...
Страница 469: ...9 10 Phaser 4400 Laser Printer Service Manual Base Engine Block Diagram 3 of 4 3...
Страница 470: ...Phaser 4400 Laser Printer Service Manual 9 11 Base Engine Block Diagram 4 of 4 4...
Страница 471: ...9 12 Phaser 4400 Laser Printer Service Manual Block Diagram Tray 1 Tray 2 and Tray 3...
Страница 474: ...Phaser 4400 Laser Printer Service Manual 9 15 Engine Logic Board to Stack Full Sensor and Rear Interlock Switch...
Страница 476: ...Phaser 4400 Laser Printer Service Manual 9 17 Engine Logic Board to Size 1 PWB to Feeder PWB Diagram 2 of 2...
Страница 479: ...9 20 Phaser 4400 Laser Printer Service Manual Engine Logic Board to Laser Assembly...
Страница 480: ...Phaser 4400 Laser Printer Service Manual 9 21 Image Processor Board to Front Panel...
Страница 482: ...Phaser 4400 Laser Printer Service Manual 9 23 550 Sheet Feeder P J Map 550 Sheet Feeder P J Map...
Страница 483: ...9 24 Phaser 4400 Laser Printer Service Manual 550 Sheet Feeder Block Diagram 1 of 2...
Страница 484: ...Phaser 4400 Laser Printer Service Manual 9 25 550 Sheet Feeder Block Diagram 2 of 2...
Страница 486: ...Phaser 4400 Laser Printer Service Manual 9 27 Duplex Unit P J Map...
Страница 487: ...9 28 Phaser 4400 Laser Printer Service Manual Duplex Unit Block Diagram...
Страница 488: ...Phaser 4400 Laser Printer Service Manual 9 29 Engine Logic Board to Duplex PWB...
Страница 491: ...9 32 Phaser 4400 Laser Printer Service Manual Stacker P J Map...
Страница 492: ...Phaser 4400 Laser Printer Service Manual 9 33 Stacker Block Diagram...
Страница 493: ...9 34 Phaser 4400 Laser Printer Service Manual Engine Logic Board to Stacker PWB...
Страница 495: ...9 36 Phaser 4400 Laser Printer Service Manual Stacker PWB to Drive Motor Assembly and Offset Motor Assembly...
Страница 497: ...9 38 Phaser 4400 Laser Printer Service Manual Envelope Feeder P J Map...
Страница 498: ...Phaser 4400 Laser Printer Service Manual 9 39 Envelope Feeder Block Diagram...
Страница 500: ...Phaser 4400 Laser Printer Service Manual 9 41 Envelope PWB to Envelope Exit Sensor Assembly No Paper Sensor and Clutch...
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