Hp lj 600 m602 service manual

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ENERGY STAR and the ENERGY STAR markare registered U. Reproduction, adaptation, or translationwithout prior written permission isprohibited, except as allowed under thecopyright laws. The information contained herein is subjectto change without notice. The only warranties for HP products andservices are set forth in the express warrantystatements accompanying such products andservices. Nothing herein should beconstrued as constituting an additionalwarranty. HP shall not be liable for technicalor editorial errors or omissions containedherein. Cautions indicate procedures that you should follow to avoid losing data or damagingthe product. Warnings alert you to specific procedures that you should follow to avoid personalinjury, catastrophic loss of data, or extensive damage to the product. ENWWiiiivConventions used in this guideENWWTable of contents1 Theory of operation . Internal components, custom media cassette116Separation rollerChapter 1 Theory of operationENWWOperating sequenceA microprocessor on the DC controller PCA controls the product operating sequence. The followingtable describes the basic operating sequence from when the product power is turned on until the finalprinted page is delivered to an output bin. The product takes about two minutes and twenty seconds to initialize. Product operating sequencePeriodDurationOperationWAITFrom the time the power is turned on, thedoor is closed or Sleep mode is releaseduntil the product gets ready for a printoperation. Brings the product to standby condition. Pressurizes the fuser pressure roller. From the end of WAIT or LSTR perioduntil either the print command is receivedfrom the formatter or the power button isturned off. Maintains the product in printable condition. Puts the product in Sleep mode when the formatter sends asleep command. From the time the print command isreceived from the formatter until themedia is picked up. PRINTFrom the end of INTR period until the lastpaper completes the fixing operation. Forms the image on the photosensitive drum based on thesignals from the formatter. Transfers and fuses the toner image to the print media. Moves the last printed sheet out of the product. From the end of PRINT period until themotors stop rotating. The product enters the INTR period as soon as the LSTR period iscompleted, if the formatter sends another print command. ENWWBasic operation7Formatter systemThe formatter is involved in the following procedures. Communicating with the host computer through the bidirectional interfaceThe formatter receives a print job from the bidirectional interface and separates it into imageinformation and instructions that control the printing process. Sleepmode also can be turned off from the Administration menu on the control panel. A print job, valid data, or a PML or PJL command is received at the serial port. Error messages override the Sleep message. The product enters Sleep mode at theappropriate time, but the error message continues to appear. The following sections discuss the input and output features of the product. HP LaserJet Enterprise 600M603xh. CPUThe product formatter incorporates a 800 MHz RISC processor. MemoryIf the product encounters a problem when managing available memory, a clearable warning messageappears on the control panel. The formatter has one DIMM slot. All models come with 512MB of memory installed. Additionalmemory can be added up to a maximum of 1GB. O buffers, and the font storage area. Memory capacity can beincreased by adding DIMMs to the formatter. O and information about the printenvironment configuration. The contents of NVRAM are retained when the product is turned off ordisconnected. DIMM slotThe DIMM slot can be used to add product memory. With standard cabling, use PJL to perform a variety of functions. Isolation of print environment settings from one print job to the next. For example, if a print job issent to the product in landscape mode, the subsequent print jobs are printed in landscape modeonly if they are formatted for it. The engine control system coordinates all product functions and controls all the other systems accordingto commands from the formatter. DC controller PCAThe DC controller PCA controls the operation of the product and its components. The DC controller PCAstarts product operation when the power is turned on and the power supply sends DC voltage to theDC controller PCA. After the product enters the standby sequence, the DC controller PCA sends outvarious signals to operate motors, solenoids, and other components based on the print command andimage data that the host computer sends. ENWWSensors, solenoids, and switchesThe product has twelve sensors, two solenoids, and three switches. Sensors are used for remotedetection of various functions during product operation. Solenoid and switches are used for productoperation control. Motors and fansThe product has four motors and four fan motors. The motors are used for the media feeding and imageformation. Th filexlib.
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