Service Manual
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Understand lights on the formatter 494 HP Jetdirect LEDs 494 Heartbeat LED 495 Engine-test button ...... (special-mode test 502 Component tests ...503 Component test (special-mode test 503 Print/stop test ...507 Color-band test ...507 Service mode functions ...508 Service menu ...508 Product resets ...509 Restore factory-set defaults 509... Hard disk initialization 510 NVRAM initialization 510 Diagrams ...511 Connectors ...511 DC controller PCA 511 PCAs ...511 Product base 514 1 x 500-sheet input tray 517 ...
Understand lights on the formatter 494 HP Jetdirect LEDs 494 Heartbeat LED 495 Engine-test button ...... (special-mode test 502 Component tests ...503 Component test (special-mode test 503 Print/stop test ...507 Color-band test ...507 Service mode functions ...508 Service menu ...508 Product resets ...509 Restore factory-set defaults 509... Hard disk initialization 510 NVRAM initialization 510 Diagrams ...511 Connectors ...511 DC controller PCA 511 PCAs ...511 Product base 514 1 x 500-sheet input tray 517 ...
Service Manual
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...sheet input tray 533 Switches ...534 Switches ...534 Product base 534 1 x 500-sheet input tray 535 3 x 500-sheet input tray 535 Block diagrams ...537 Main assemblies 537 Main parts ...540 PCAs ...541 1 x 500-sheet input tray 542 3 x 500-sheet input tray 543 Intermediate paper-...transfer unit (IPTU 544 General timing chart ...545 General circuit diagrams 545 Signals ...550 8 Output accessories and intermediate paper-transfer unit (IPTU) Theory of operation ...580 Intermediate paper-transfer unit (IPTU 580 Basic...
...sheet input tray 533 Switches ...534 Switches ...534 Product base 534 1 x 500-sheet input tray 535 3 x 500-sheet input tray 535 Block diagrams ...537 Main assemblies 537 Main parts ...540 PCAs ...541 1 x 500-sheet input tray 542 3 x 500-sheet input tray 543 Intermediate paper-...transfer unit (IPTU 544 General timing chart ...545 General circuit diagrams 545 Signals ...550 8 Output accessories and intermediate paper-transfer unit (IPTU) Theory of operation ...580 Intermediate paper-transfer unit (IPTU 580 Basic...
Service Manual
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......739 Stapler/stacker and booklet maker 739 Individual component diagnostics 739 Manual sensor test 739 Component test 740 LED diagnostics 741 Diagrams ...743 Cross sections 743 Sensors 746 Microswitches 750 Solenoids 752 Motors 754 Clutches 756 PCA 757 Variable resistors, LED, and check...folding position to the stitch position (Booklet maker only 770 Adjust the stitcher unit 773 9 Parts and diagrams Order parts, accessories, and supplies 778 Order directly from HP ...778 Order directly through the software 778 Customer self-repair parts ...780 Customer self-repair parts 780 ...
......739 Stapler/stacker and booklet maker 739 Individual component diagnostics 739 Manual sensor test 739 Component test 740 LED diagnostics 741 Diagrams ...743 Cross sections 743 Sensors 746 Microswitches 750 Solenoids 752 Motors 754 Clutches 756 PCA 757 Variable resistors, LED, and check...folding position to the stitch position (Booklet maker only 770 Adjust the stitcher unit 773 9 Parts and diagrams Order parts, accessories, and supplies 778 Order directly from HP ...778 Order directly through the software 778 Customer self-repair parts ...780 Customer self-repair parts 780 ...
Service Manual
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... cleaning 106 Figure 5-1 Relationship between the main product systems 114 Figure 5-2 Engine-control system ...119 Figure 5-3 DC controller block diagram ...120 Figure 5-4 Fuser components ...126 Figure 5-5 Fuser temperature-control circuit 127 Figure 5-6 Low-voltage power-supply circuit 130 Figure... 5-7 High-voltage power supply circuits 132 Figure 5-8 Laser/scanner system ...134 Figure 5-9 Image-formation system ...136 Figure 5-10 Image-formation process ...137 Figure 5-11 Pre-exposure ...138 ...
... cleaning 106 Figure 5-1 Relationship between the main product systems 114 Figure 5-2 Engine-control system ...119 Figure 5-3 DC controller block diagram ...120 Figure 5-4 Fuser components ...126 Figure 5-5 Fuser temperature-control circuit 127 Figure 5-6 Low-voltage power-supply circuit 130 Figure... 5-7 High-voltage power supply circuits 132 Figure 5-8 Laser/scanner system ...134 Figure 5-9 Image-formation system ...136 Figure 5-10 Image-formation process ...137 Figure 5-11 Pre-exposure ...138 ...
Service Manual
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... (2 of 2) ...539 Main parts ...540 PCAs ...541 1 x 500-sheet input tray ...542 3 x 500-sheet input tray ...543 IPTU ...544 General timing chart ...545 General circuit diagram (1 of 4 546 General circuit diagram (2 of 4 546 General circuit diagram (3 of 4 547 General circuit diagram (4 of 4 548 ENWW xxxi
... (2 of 2) ...539 Main parts ...540 PCAs ...541 1 x 500-sheet input tray ...542 3 x 500-sheet input tray ...543 IPTU ...544 General timing chart ...545 General circuit diagram (1 of 4 546 General circuit diagram (2 of 4 546 General circuit diagram (3 of 4 547 General circuit diagram (4 of 4 548 ENWW xxxi
Service Manual
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... Stacker controller PCA switches 761 Saddle-stitcher controller PCA switches 761 Stapler/stacker stacker controller PCA circuit diagram (1 of 2 763 Stacker controller PCA circuit diagram (2 of 2 763 Saddle-stitcher controller PCA circuit diagram (1 of 2 765 Saddle-stitcher controller PCA circuit diagram (2 of 2 765 Saddle-stitcher controller PCA circuit diagram 766 SW4 settings ...768 ENWW xxxvii
... Stacker controller PCA switches 761 Saddle-stitcher controller PCA switches 761 Stapler/stacker stacker controller PCA circuit diagram (1 of 2 763 Stacker controller PCA circuit diagram (2 of 2 763 Saddle-stitcher controller PCA circuit diagram (1 of 2 765 Saddle-stitcher controller PCA circuit diagram (2 of 2 765 Saddle-stitcher controller PCA circuit diagram 766 SW4 settings ...768 ENWW xxxvii
Service Manual
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Figure 5-3 DC controller block diagram Fuser unit Fuser control Optional paper feeders Solenoids See Solenoids on page 531. 120 Chapter 5 Theory of the product components, and it interacts with the other engine-control systems and product systems to each of operation ENWW DC controller The DC controller provides operational commands to control the product operational sequence.
Figure 5-3 DC controller block diagram Fuser unit Fuser control Optional paper feeders Solenoids See Solenoids on page 531. 120 Chapter 5 Theory of the product components, and it interacts with the other engine-control systems and product systems to each of operation ENWW DC controller The DC controller provides operational commands to control the product operational sequence.
Service Manual
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7 Solve problems ● Troubleshooting process ● Tools for troubleshooting ● Solve performance problems ● Solve connectivity problems ● Control-panel message types ● Control-panel messages ● Event log messages ● Paper-handling problems ● Solve image-quality problems ● Interface troubleshooting ● Engine diagnostics ● Service mode functions ● Diagrams ● Signals ENWW 341
7 Solve problems ● Troubleshooting process ● Tools for troubleshooting ● Solve performance problems ● Solve connectivity problems ● Control-panel message types ● Control-panel messages ● Event log messages ● Paper-handling problems ● Solve image-quality problems ● Interface troubleshooting ● Engine diagnostics ● Service mode functions ● Diagrams ● Signals ENWW 341
Service Manual
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Diagrams Connectors DC controller PCA Figure 7-16 DC controller PCA J138 J139 J105 J142 J141 J131 J130 J132 J108 J129 J118 J101 J133 J127 J126 J124 J109 J113 J123 J199 J107 J102 J114 J104 J122 J111 J110 J144 J112 J116 J119 J115 J103 J121 PCAs Figure 7-17 Cartridge driver PCA J408 J402 J403 J407 J406 J405 J404 ENWW Diagrams 511
Diagrams Connectors DC controller PCA Figure 7-16 DC controller PCA J138 J139 J105 J142 J141 J131 J130 J132 J108 J129 J118 J101 J133 J127 J126 J124 J109 J113 J123 J199 J107 J102 J114 J104 J122 J111 J110 J144 J112 J116 J119 J115 J103 J121 PCAs Figure 7-17 Cartridge driver PCA J408 J402 J403 J407 J406 J405 J404 ENWW Diagrams 511
Service Manual
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Figure 7-20 Input-tray driver PCA J8110 J8106 J8101 J8107 J8108 J8102 J8105 J8103 Figure 7-21 IPTU driver PCA J7003 J7006 J7008 J7007 J7002 J7005 J7004 J7001 ENWW Diagrams 513
Figure 7-20 Input-tray driver PCA J8110 J8106 J8101 J8107 J8108 J8102 J8105 J8103 Figure 7-21 IPTU driver PCA J7003 J7006 J7008 J7007 J7002 J7005 J7004 J7001 ENWW Diagrams 513
Service Manual
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1 x 500-sheet input tray Figure 7-28 1 x 500-sheet input tray J1903 Input tray driver PCA J8311 J1983L J8312 J2101 J8201A J2102 J1751 J8313 3 x 500-sheet input tray Figure 7-29 3 x 500-sheet input tray (1 of 2) J8311 J8321 J8331 J8312 J2101 J8322 J2111 J8332 J2121 J1983 J1986 J1989 ENWW Diagrams 517
1 x 500-sheet input tray Figure 7-28 1 x 500-sheet input tray J1903 Input tray driver PCA J8311 J1983L J8312 J2101 J8201A J2102 J1751 J8313 3 x 500-sheet input tray Figure 7-29 3 x 500-sheet input tray (1 of 2) J8311 J8321 J8331 J8312 J2101 J8322 J2111 J8332 J2121 J1983 J1986 J1989 ENWW Diagrams 517
Service Manual
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Table 7-32 Sensors (continued) Component abbreviation Component name MS Media sensor Color misregistration/image density sensor ITB sensor-mark detection sensor SR0 Vertical synchronous-position sensor SR1 Cassette media-presence sensor SR2 Cassette ...waste-toner-full sensor SR32 Front door-open-detection sensor SR33 Secondary-transfer-unit cover-open-detection sensor SR34 Fuser cover-open-detection sensor SR301 Color-sensor-disengagement sensor (duplex models only) SR302 Duplexing media re-pickup sensor (duplex models only) SR303 Duplexing media-feed sensor (duplex models...
Table 7-32 Sensors (continued) Component abbreviation Component name MS Media sensor Color misregistration/image density sensor ITB sensor-mark detection sensor SR0 Vertical synchronous-position sensor SR1 Cassette media-presence sensor SR2 Cassette ...waste-toner-full sensor SR32 Front door-open-detection sensor SR33 Secondary-transfer-unit cover-open-detection sensor SR34 Fuser cover-open-detection sensor SR301 Color-sensor-disengagement sensor (duplex models only) SR302 Duplexing media re-pickup sensor (duplex models only) SR303 Duplexing media-feed sensor (duplex models...
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Figure 7-33 Product sensor locations (2 of 3) SCN-TH1 SCN-TH2 SR16 SR15 SR26 CS SR303 SR301 SR302 SR11 SR8 SR6 ENWW Diagrams 521
Figure 7-33 Product sensor locations (2 of 3) SCN-TH1 SCN-TH2 SR16 SR15 SR26 CS SR303 SR301 SR302 SR11 SR8 SR6 ENWW Diagrams 521
Service Manual
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1 x 500-sheet input tray Figure 7-35 1 x 500-sheet input-tray sensor locations SR101 SR104 SR105 SR102 3 x 500-sheet input tray Figure 7-36 3 x 500-sheet input-tray sensor locations (1 of 2) SR104 SR105 SR114 SR102 SR115 SR112 SR124 SR125 SR122 ENWW Diagrams 523
1 x 500-sheet input tray Figure 7-35 1 x 500-sheet input-tray sensor locations SR101 SR104 SR105 SR102 3 x 500-sheet input tray Figure 7-36 3 x 500-sheet input-tray sensor locations (1 of 2) SR104 SR105 SR114 SR102 SR115 SR112 SR124 SR125 SR122 ENWW Diagrams 523
Service Manual
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Fans Fans Table 7-33 Fans Abbreviation FM1 FM2 FM3 FM4 FM5 FM6 FM7 FM301 Duplex models only FM302 Duplex models only Name Cooling area Type Laser/scanner cooling Laser/scanner area fan and formatter Fuser cooling fan Fuser Cartridge-area cooling Print-cartridge and fan imaging-drum area Intake Intake Exhaust VOC fan... 1 Duplexing unit cooling Output bin area fan 2 Exhaust Speed Full/half Full/half Full Full/half Full/half Full/half Full Full Full/half ENWW Diagrams 525
Fans Fans Table 7-33 Fans Abbreviation FM1 FM2 FM3 FM4 FM5 FM6 FM7 FM301 Duplex models only FM302 Duplex models only Name Cooling area Type Laser/scanner cooling Laser/scanner area fan and formatter Fuser cooling fan Fuser Cartridge-area cooling Print-cartridge and fan imaging-drum area Intake Intake Exhaust VOC fan... 1 Duplexing unit cooling Output bin area fan 2 Exhaust Speed Full/half Full/half Full Full/half Full/half Full/half Full Full Full/half ENWW Diagrams 525
Service Manual
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... duplexing paper re-pickup roller and engages or Stepping motor Failure detection Yes Yes Yes Yes Yes No No No No No No No ENWW Diagrams 527 and black- imaging drums M19 Developing Engages and Stepping motor disengagement motor disengages the (Y, M) developing rollers in the black imaging drum M16 Toner-feed...
... duplexing paper re-pickup roller and engages or Stepping motor Failure detection Yes Yes Yes Yes Yes No No No No No No No ENWW Diagrams 527 and black- imaging drums M19 Developing Engages and Stepping motor disengagement motor disengages the (Y, M) developing rollers in the black imaging drum M16 Toner-feed...
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Figure 7-41 Product motor locations (2 of 2) M16 M18 M303 M302 M17 M19 M11 M10 M301 ENWW Diagrams 529
Figure 7-41 Product motor locations (2 of 2) M16 M18 M303 M302 M17 M19 M11 M10 M301 ENWW Diagrams 529
Service Manual
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IPTU Figure 7-44 IPTU motor locations M201 M202 Solenoids Solenoids Table 7-35 Solenoids Component abbreviation SL1 SL2 SL4 SL5 SL6 SL7 SL301 Component name Cassette pickup solenoid Multipurpose-tray pickup solenoid Toner-feed solenoid (yellow) Toner-feed solenoid (magenta) Toner-feed solenoid (cyan) Toner-feed solenoid (black) Duplexing-flapper solenoid (duplex models only) ENWW Diagrams 531
IPTU Figure 7-44 IPTU motor locations M201 M202 Solenoids Solenoids Table 7-35 Solenoids Component abbreviation SL1 SL2 SL4 SL5 SL6 SL7 SL301 Component name Cassette pickup solenoid Multipurpose-tray pickup solenoid Toner-feed solenoid (yellow) Toner-feed solenoid (magenta) Toner-feed solenoid (cyan) Toner-feed solenoid (black) Duplexing-flapper solenoid (duplex models only) ENWW Diagrams 531
Service Manual
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1 x 500-sheet input tray Figure 7-46 1 x 500-sheet input-tray solenoid locations SL101 3 x 500-sheet input tray Figure 7-47 3 x 500-sheet input-tray solenoid locations SL101 SL111 SL121 ENWW Diagrams 533
1 x 500-sheet input tray Figure 7-46 1 x 500-sheet input-tray solenoid locations SL101 3 x 500-sheet input tray Figure 7-47 3 x 500-sheet input-tray solenoid locations SL101 SL111 SL121 ENWW Diagrams 533
Service Manual
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1 x 500-sheet input tray Figure 7-49 1 x 500-sheet input-tray switch locations SW101 3 x 500-sheet input tray Figure 7-50 3 x 500-sheet input-tray switch locations (1 of 2) SW103 ENWW Diagrams 535
1 x 500-sheet input tray Figure 7-49 1 x 500-sheet input-tray switch locations SW101 3 x 500-sheet input tray Figure 7-50 3 x 500-sheet input-tray switch locations (1 of 2) SW103 ENWW Diagrams 535