Service Manual
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... pick-up command has printing. The ECU-to be passed between the two. This allows printer status, command information, and dot-image data to -formatter connector (J201) forms a link that operates as a serial data bus. INTR To stabilize the photosensitive Initial Rotation Period drum sensitivity in preparation for After the pick...
... pick-up command has printing. The ECU-to be passed between the two. This allows printer status, command information, and dot-image data to -formatter connector (J201) forms a link that operates as a serial data bus. INTR To stabilize the photosensitive Initial Rotation Period drum sensitivity in preparation for After the pick...
Service Manual
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Document scanner removal Figure 4-2 Removing the optional scanner unit 1 Rotate the document scanner latch down and to the right to the "open" position. 2 Pull out on the bottom of the document scanner unit, then push it up slowly to clear the connector at the top of the scanner. 3 Lift the scanner off. 4 Move the scanner latch back to the "closed" position. C4224-90962 External assemblies and covers 65
Document scanner removal Figure 4-2 Removing the optional scanner unit 1 Rotate the document scanner latch down and to the right to the "open" position. 2 Pull out on the bottom of the document scanner unit, then push it up slowly to clear the connector at the top of the scanner. 3 Lift the scanner off. 4 Move the scanner latch back to the "closed" position. C4224-90962 External assemblies and covers 65
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it has two springs and a small cable connected to it out. Contact image sensor removal (continued) NOTE: Figure 4-5 Removing the Contact Image Sensor (continued) 2 Gently pry open the snap connectors on each end, pry the end pin out of the plastic frame, and slowly lift it . 68 Removal and Replacement C4224-90962 Be careful with a small flat-blade screwdriver. 3 Rotate the unit up, grasp the CIS on each end of the Contact Image Sensor with the CIS when you lift it out;
it has two springs and a small cable connected to it out. Contact image sensor removal (continued) NOTE: Figure 4-5 Removing the Contact Image Sensor (continued) 2 Gently pry open the snap connectors on each end, pry the end pin out of the plastic frame, and slowly lift it . 68 Removal and Replacement C4224-90962 Be careful with a small flat-blade screwdriver. 3 Rotate the unit up, grasp the CIS on each end of the Contact Image Sensor with the CIS when you lift it out;
Service Manual
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Contact image sensor removal (continued) Figure 4-6 Disconnecting the CIS wire connector 4 Gently pull the connector from the slot in the metal casing. C4224-90962 External assemblies and covers 69
Contact image sensor removal (continued) Figure 4-6 Disconnecting the CIS wire connector 4 Gently pull the connector from the slot in the metal casing. C4224-90962 External assemblies and covers 69
Service Manual
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Printer door removal (continued) Figure 4-8 Disconnecting the stabilizer bars To disconnect the two stabilizer bars from the front cover: 3 Move the printer door slightly back toward the "closed" position to ease tension on the stabilizer bar connection. 4 Using a small, flat-blade screwdriver, press down on the plastic connecting snaps underneath the end of the stabilizer bar (callout 1). 5 Push up on the end of the stabilizer bar, and slide the connector out of the bracket (callout 2). C4224-90962 External assemblies and covers 71
Printer door removal (continued) Figure 4-8 Disconnecting the stabilizer bars To disconnect the two stabilizer bars from the front cover: 3 Move the printer door slightly back toward the "closed" position to ease tension on the stabilizer bar connection. 4 Using a small, flat-blade screwdriver, press down on the plastic connecting snaps underneath the end of the stabilizer bar (callout 1). 5 Push up on the end of the stabilizer bar, and slide the connector out of the bracket (callout 2). C4224-90962 External assemblies and covers 71
Service Manual
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Internal assemblies Scanner assembly removal Figure 4-21Disconnecting the scanner assembly cables Prior to this step: Remove the memory card (if applicable), pods, back cover, front door, front cover, scanner, and paper guides. 1 Remove the small foam cover over the small cable connector. 2 Disconnect both cable connections, and remove the cable from the routing. 3 Remove the four screws holding the assembly in place, and lift it free of the printer. 84 Removal and Replacement C4224-90962
Internal assemblies Scanner assembly removal Figure 4-21Disconnecting the scanner assembly cables Prior to this step: Remove the memory card (if applicable), pods, back cover, front door, front cover, scanner, and paper guides. 1 Remove the small foam cover over the small cable connector. 2 Disconnect both cable connections, and remove the cable from the routing. 3 Remove the four screws holding the assembly in place, and lift it free of the printer. 84 Removal and Replacement C4224-90962
Service Manual
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C4224-90962 Bottom assemblies 109 During reassembly, make sure the pan is reseated in the brackets. Formatter pan removal (continued) NOTE: NOTE: Figure 4-45Removing the formatter pan (continued) Be careful not to damage or break the electronic cables and connections underneath the formatter pan. 2 Slowly rotate the Formatter Pan away from the chassis. 3 Unplug the small connector cable and two flat flexible cables. 4 Slide the Formatter Pan free of the metal brackets. 5 To remove the Formatter from the Formatter Pan, remove the four screws securing the Formatter.
C4224-90962 Bottom assemblies 109 During reassembly, make sure the pan is reseated in the brackets. Formatter pan removal (continued) NOTE: NOTE: Figure 4-45Removing the formatter pan (continued) Be careful not to damage or break the electronic cables and connections underneath the formatter pan. 2 Slowly rotate the Formatter Pan away from the chassis. 3 Unplug the small connector cable and two flat flexible cables. 4 Slide the Formatter Pan free of the metal brackets. 5 To remove the Formatter from the Formatter Pan, remove the four screws securing the Formatter.
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Be very careful not to damage or break the connectors underneath the ECU plate as a single unit (cables do not ship with the replacement board; The entire ECU Board can be replaced as you will ...
Be very careful not to damage or break the connectors underneath the ECU plate as a single unit (cables do not ship with the replacement board; The entire ECU Board can be replaced as you will ...
Service Manual
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...troubleshooting Verification steps Is Power On successful? If all of these conditions are met, replace the document scanner. 4. Verify that the motor connector J1 is correctly mounted to a grounded power source, the printer motor should rotate for approximately six seconds and the document scanner motor ... is seated into both the control panel and the formatter board. Verify that the power cable is functional and that the document scanner connector is on the printer. 3. If, after replacing the scanner, the document scanner motor still does not rotate, replace the formatter....
...troubleshooting Verification steps Is Power On successful? If all of these conditions are met, replace the document scanner. 4. Verify that the motor connector J1 is correctly mounted to a grounded power source, the printer motor should rotate for approximately six seconds and the document scanner motor ... is seated into both the control panel and the formatter board. Verify that the power cable is functional and that the document scanner connector is on the printer. 3. If, after replacing the scanner, the document scanner motor still does not rotate, replace the formatter....
Service Manual
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... key down might be displayed as long as the Go key is held down will be used to step 2. The printer believes that the thermistor connector (left of fatal error it is NOTE: Chronic fuser seated into both the printer chassis and the ECU. Unplug the printer, remove any optional... the printer for "light off all LEDs will not clear the error (it was found the printer back on the LEDs. Verify that the fuser connector is corrupted 2. failures, fuser overheating, or both are correct yet the error persists, being used with the ROM or plugging it will reveal a pattern...
... key down might be displayed as long as the Go key is held down will be used to step 2. The printer believes that the thermistor connector (left of fatal error it is NOTE: Chronic fuser seated into both the printer chassis and the ECU. Unplug the printer, remove any optional... the printer for "light off all LEDs will not clear the error (it was found the printer back on the LEDs. Verify that the fuser connector is corrupted 2. failures, fuser overheating, or both are correct yet the error persists, being used with the ROM or plugging it will reveal a pattern...
Service Manual
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... are firmly seated. 4. Replace the Formatter PCA. 4. Power cycle the printer by moving the printer from a cold to step 2. 2. Verify the two Laser/Scanner Assembly connectors are not communicating. 1. Firmware Error. 1. Disconnect the parallel I/O cable and try host/printer communications again. If the error persists, replace the Formatter PCA. Print Engine... error messages Light status Description Recommended action Beam Error. Make certain the Laser/Scanner Assembly is support with this successful and try running a printer Contact HP technical self test.
... are firmly seated. 4. Replace the Formatter PCA. 4. Power cycle the printer by moving the printer from a cold to step 2. 2. Verify the two Laser/Scanner Assembly connectors are not communicating. 1. Firmware Error. 1. Disconnect the parallel I/O cable and try host/printer communications again. If the error persists, replace the Formatter PCA. Print Engine... error messages Light status Description Recommended action Beam Error. Make certain the Laser/Scanner Assembly is support with this successful and try running a printer Contact HP technical self test.
Service Manual
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... the HP LaserJet 1100 Printer for at least ten minutes. 2 Verify that was marked in the toner cartridge, must rotate for printer disassembly instructions, see Chapter 4, "Removal and replacement"). If the drive gears appear functional and the drum does not move the mark. 5 Open the printer and inspect the gear that the thermistor connector...
... the HP LaserJet 1100 Printer for at least ten minutes. 2 Verify that was marked in the toner cartridge, must rotate for printer disassembly instructions, see Chapter 4, "Removal and replacement"). If the drive gears appear functional and the drum does not move the mark. 5 Open the printer and inspect the gear that the thermistor connector...
Service Manual
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Figure 5-3 Thermistor Connector 3 Remove the heating element connector (Figure 5-4) from the ECU. NOTE: Figure 5-4 Heating Element Connector Normal resistance is 30 ohms +/- 10 ohms. 4 If no resistance is measured, replace the heating element. 144 Troubleshooting/Maintenance C4224-90962 To measure the continuity of the heating element, measure the resistance between the two pins at the end of the cable.
Figure 5-3 Thermistor Connector 3 Remove the heating element connector (Figure 5-4) from the ECU. NOTE: Figure 5-4 Heating Element Connector Normal resistance is 30 ohms +/- 10 ohms. 4 If no resistance is measured, replace the heating element. 144 Troubleshooting/Maintenance C4224-90962 To measure the continuity of the heating element, measure the resistance between the two pins at the end of the cable.
Service Manual
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NOTE: 5 Remove the thermistor connector (Figure 5-3) and measure the resistance between pins one and two. C4224-90962 Functional checks 145 Normal resistance is 440K ohms +/- 30K ohms at 68° F (20° C). 6 If no resistance is measured, replace the heating element.
NOTE: 5 Remove the thermistor connector (Figure 5-3) and measure the resistance between pins one and two. C4224-90962 Functional checks 145 Normal resistance is 440K ohms +/- 30K ohms at 68° F (20° C). 6 If no resistance is measured, replace the heating element.
Service Manual
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... or corroded and that the pins are damaged, replace the toner cartridge. Figure 5-5 Toner cartridge high-voltage connection points Checking the high-voltage connector assembly The assembly uses three spring-loaded pins to clean the connections. If the pins are damaged, replace the high voltage... connector assembly. 146 Troubleshooting/Maintenance C4224-90962 NOTE: High-voltage power supply check The high-voltage power supply PCA provides the necessary voltages for ...
... or corroded and that the pins are damaged, replace the toner cartridge. Figure 5-5 Toner cartridge high-voltage connection points Checking the high-voltage connector assembly The assembly uses three spring-loaded pins to clean the connections. If the pins are damaged, replace the high voltage... connector assembly. 146 Troubleshooting/Maintenance C4224-90962 NOTE: High-voltage power supply check The high-voltage power supply PCA provides the necessary voltages for ...
Service Manual
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... lying flat before print is subjected to heat. Paper curl tends to relax as the paper cools while resting on a flat surface. Figure 5-6 High-voltage connector assembly Paper curl Paper curl is inherent to the laser printing processes, and occurs when paper is 0.2 inches (5 mm).
... lying flat before print is subjected to heat. Paper curl tends to relax as the paper cools while resting on a flat surface. Figure 5-6 High-voltage connector assembly Paper curl Paper curl is inherent to the laser printing processes, and occurs when paper is 0.2 inches (5 mm).
Service Manual
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... SCREW, M4X8 HOLDER, FLAT CABLE COVER, HOLDER ELIMINATOR, STATIC CHARGE DRIVE ASS'Y MAIN MOTOR SCREW, M3X6 SPRING, LEAF, LEFT GUIDE, FACE DOWN DELIVERY CLUTCH KIT CONNECTOR HOLDER ASS'Y FLAT CABLE SENSOR CABLE (J211, J003, J004) SCREW, TAPPING, PAN HEAD, M4X10 SCREW, W/WASHER, M3X6 C4224-90962 Internal components 165 Internal components, 1 of...
... SCREW, M4X8 HOLDER, FLAT CABLE COVER, HOLDER ELIMINATOR, STATIC CHARGE DRIVE ASS'Y MAIN MOTOR SCREW, M3X6 SPRING, LEAF, LEFT GUIDE, FACE DOWN DELIVERY CLUTCH KIT CONNECTOR HOLDER ASS'Y FLAT CABLE SENSOR CABLE (J211, J003, J004) SCREW, TAPPING, PAN HEAD, M4X10 SCREW, W/WASHER, M3X6 C4224-90962 Internal components 165 Internal components, 1 of...
Service Manual
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... XB2-7300-607 CN QTY 3 1 1 1 1 1 1 1 1 1 1 1 6 1 1 1 DESCRIPTION SPACER, PCB CASE, PRINTER CONTROLLER SHEET, INSULATING HOLDER, POWER SWITCH LEVER LEVER, POWER SWITCH ROD, SWITCH FLAT CABLE, (J201) CONNECTOR, 2P (J008) DOOR SENSOR ASS'Y MOTOR CABLE,(J007, J401) THERMISTOR CABLE (J008, J206) PLATE, GROUNDING SCREW, M3X6 ECU PCB ASS'Y ECU PCB ASS'Y SCREW, M3X6...
... XB2-7300-607 CN QTY 3 1 1 1 1 1 1 1 1 1 1 1 6 1 1 1 DESCRIPTION SPACER, PCB CASE, PRINTER CONTROLLER SHEET, INSULATING HOLDER, POWER SWITCH LEVER LEVER, POWER SWITCH ROD, SWITCH FLAT CABLE, (J201) CONNECTOR, 2P (J008) DOOR SENSOR ASS'Y MOTOR CABLE,(J007, J401) THERMISTOR CABLE (J008, J206) PLATE, GROUNDING SCREW, M3X6 ECU PCB ASS'Y ECU PCB ASS'Y SCREW, M3X6...
Service Manual
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...-DOWN ROLLER, FACE-UP COVER, REAR FEEDER ASS'Y CONTACT IMAGE SENSOR ARM HOLDER ASS'Y RIGHT GEAR ASS'Y PAPER GUIDE PLATE ASS'Y ARM HOLDER ASS'Y LEFT CONNECTOR HOLDER ASS'Y DELIVERY ASS'Y FIXING FILM ASS'Y - 100-127V (J102, J702) FIXING PRESSURE ASS'Y, LEFT LASER/SCANNER ASS'Y INPUT PAPER BIN FIXING FILM ASS'Y - 220...
...-DOWN ROLLER, FACE-UP COVER, REAR FEEDER ASS'Y CONTACT IMAGE SENSOR ARM HOLDER ASS'Y RIGHT GEAR ASS'Y PAPER GUIDE PLATE ASS'Y ARM HOLDER ASS'Y LEFT CONNECTOR HOLDER ASS'Y DELIVERY ASS'Y FIXING FILM ASS'Y - 100-127V (J102, J702) FIXING PRESSURE ASS'Y, LEFT LASER/SCANNER ASS'Y INPUT PAPER BIN FIXING FILM ASS'Y - 220...
Service Manual
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...-7300-609CN 2 XB6-7300-807 CN 4 Part Name FORMATTER SCREWS SPRING, COMPRESSION SPRING, COMPRESSION CLUTCH KIT GEAR KIT DEVELOPER FASTENER KIT SUBPAD KIT SHIPPING BLOCK CONNECTOR, 2P (J008) TIE, CABLE SCREW, TP, M3X6 SCREW, M4X8 SCREW, M3X6 SCREW, M3X6 SCREW, M4X8 SCREW, M3X6 SCREW, M3X6 SCREW, W/WASHER, M3X6 SCREW, M3X6 SCREW...
...-7300-609CN 2 XB6-7300-807 CN 4 Part Name FORMATTER SCREWS SPRING, COMPRESSION SPRING, COMPRESSION CLUTCH KIT GEAR KIT DEVELOPER FASTENER KIT SUBPAD KIT SHIPPING BLOCK CONNECTOR, 2P (J008) TIE, CABLE SCREW, TP, M3X6 SCREW, M4X8 SCREW, M3X6 SCREW, M3X6 SCREW, M4X8 SCREW, M3X6 SCREW, M3X6 SCREW, W/WASHER, M3X6 SCREW, M3X6 SCREW...