Type: Driver
File Name: hp_lj_41585.zip
File Size: 11.4 MB
15 (3.25)
Downloads: 8
Supported systems: Windows 2K, Windows XP, Windows Vista, Windows Vista 64 bit, Windows 7, Windows 7 64 bit, Windows 8, Windows 8 64 bit, Windows 10
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Add to My Printer List. Miscellaneous Compliant standards : FCC.

HP LaserJet mfp Specs - CNET

Maximum speed dialing numbers. Up to numbers with optional analog fax accessory.

Automatic optionalManual driver support provided for scanner and ADF. Duplex supported media size.

PI Optical-unit home-position sensor PI This sensor is soldered to the scanner controller board. To gain access to this sensor, remove the glass.


Power supply The power supply converts ac power from the source inlet power cord to low-voltage dc power. Low-voltage power is supplied to various flatbed and ADF components. Low-voltage power from the power supply hp lj 4100mfp of -f3.

Table If a short-circuit on the load side flatbed and ADF component side causes an excessive current or voltage draw, the overcurrent or overvoltage protection function interrupts the power-supply output. If this happens, turn the printer off, and then identify and repair the malfunctioning component. Note The power supply must remain off for at least two minutes for the overcurrent and overvoltage functions to reset. A fuse power supply PCB F protects against overcurrent coming from the ac source inlet power cord. Power-supply block diagram 64 Theory of operation C91 Optical unit The optical unit consists of the optical unit chassis, the scanning lamp, the CCD driver PCB, and the optical-unit motor.

When the power is turned on, the scanner controller board activates the optical-unit motor, and the unit begins to move along the rails. When the optical-unit home sensor flag hp lj 4100mfp on the bottom of the unit aligns with the home-position sensor located on the scanner controller board; PIthe unit stops in the home position.

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Optical unit block diagram The scanner controller board illuminates the flatbed lamp after receiving the scan command from the copy processor board. As the document is exposed to the illumination of the scanning lamp, the reflected light from the glass is sent by way of three scanning mirrors and a lens to the CCD driver PCB for image processing. When the scanning process is complete, the optical unit returns to the home position. Scanning lamp The scanning lamp illuminates the source document, which causes reflected light from the hp lj 4100mfp to be directed to the CCD driver PCB for document imaging. These three signals pass through an analog- to-digital converter, and the resulting digital signals are hp lj 4100mfp to the scanner controller PCB.

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The scanner controller sends the digital signals to the copy processor board for output by the base hp lj 4100mfp, which initiates output through the base printer. Signal conversion 66 Hp lj 4100mfp of operation C91 ADF document-feed system Overview The ADF document-feed system detects the presence of a source document in the document tray, picks up the document and transports it through the ADF paper path, and then delivers the source document to the ADF output. The document pickup solenoid is activated, causing the pickup and separation rollers to rotate.

If more than one source document is in the ADF input tray, the separation roller and separation pad clear the hp lj 4100mfp feed, and then the first document is sent into the flatbed scanning path. If more source documents are in the input tray, the process repeats.


If the ADF door is opened, a i-n. Hp lj 4100mfp the ADF door is opened during the document transport process, the ADF drive-motor stops and a door-open message appears on the control panel. Leading-edge sensor PS1 When a document enters the document transport path, it must pass the leading-edge sensor PS1 within a specified amount of time.

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If it does not, a paper-jam message appears on the control-panel display.HP LaserJet mfp overview and full product specs on CNET. For business hp lj 4100mfp in workgroup environments the HP LaserJet mfp offers consistently high performance, enhanced management and e-service.

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