The document-feed system does not have a document-feed solenoid. AmazonGlobal Ship Orders Internationally. Get to Know Us. If you touch the glass, clean it according to the instructions in Chapter 3. Unplug the power cord from the power outlet before attempting to service this unit or severe injury may result. Follow steps 1 to 1 1 and steps 15 and 16 under “Disassembly,” then complete step Each driver circuit amplifies the output of photo transistors.

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Note Note the lengths, diameters, and locations of screws as you remove them. When reassembling the Companion, be sure to reinsert the screws in their original locations. Amazon Rapids Fun stories for kids on the go. The light emitted by the LED array goes through the glass and is reflected by the document.

Hewlett Packard LaserJet Companion (C3989A) 23/10/2001

Caution Do not spray cleaner or any other liquid directly on or into the Companion. NVRAM initialization ensures that the internal memory is in the default mode. The photo transistor array receives the reflected light. When these problems occur: Users can scan a variety of documents with the scanned quality very close to the original document.


Control Board Laserjjet FigureReference laserjeh 38 Connect the three connectors to the control board. If not, clean or replace, if necessary the paper edge guides gear and loosen the gear’s screw. If the LEDs continue to fail, 1 Replace the image sensor.

Warranty & Support

This will prevent the spring in the separation pad from popping out. Note the position of the spring under the separation pad for proper reassembly.

If the pickup roller still does not rotate, 1 Replace the front cover if it is damaged or defective. East Dane Designer Men’s Fashion. HP CN duplex unit.

Please try again later. Sorry, we’re having trouble showing recommendations right now. Pickup Roller Removal FigureReference 7E Follow steps 1 to 1 1 and steps 15 to 18 under “Disassembly,” then complete the following steps: The pickup roller should rotate.

Paper Sensor Removal FigureReference 18 The paper sensor is mounted on the right side of the chassis. This reflected light is then converted to electrical signals by the photo transistors in the sensor unit.

The motor will rotate briefly. Pickup Lasfrjet and Scan Roller If the Power Supply is in good working order and the motor and gear train rotate successfully, but the pickup x3989a and scan c3989q do not rotate, there may be damaged or broken gears or gear shafts.


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AmazonGlobal Ship Orders Internationally. This method requires no lens. ComiXology Thousands of Digital Comics.

Full text of “HP LaserJet Companion Service Manual”

Required Tools The following tools are required for disassembly and reassembly of the Companion: Item is in your Cart. Some skew is normal. Clean the image sensor and scan roller.

Pickup Roller Replacement FigureReference 7E 18 Insert the long end into the left side gear side of the chassis first, then insert the short end into the right side.

Initialization is complete when the motor stops again.

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