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PRS Adjustment - Partshere.com
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1. a M Important Caution Factory Advance Calibration will affect forever the ia banding performance of the printer on ALL media types da Sample of the Accuracy Calibration Print Parts replacement and associated calibrations Following the removal and replacement of some components it is important that calibrations are performed immediately afterwards Shown below is a table describing which parts require calibrations when they are replaced and the order in which you should perform the calibrations Description of Media PRS Printhead service part Advance Calibration Alignment Calibration Piven VP Carioge PSV CoriogesV o mev o O mwv oo Fleder Made Disk Encoder
2. PRS Adjustment When Required It is very important that you perform the PRS Adjustment whenever E The Pivot Assembly is removed or replaced E The Feed Roller Assembly is removed or replaced E The Carriage Assembly is replaced it is not necessary to perform the PRS Adjustment if the carriage is reseated gt Carriage Assembly Pivot Assembly Feed Roller Assembly Note B size printers do not need Prs Adjustment Manual PRS Adjustment The purpose of the Manual PRS Adjustment is to adjust the distance between the Carriage Assembly and the Pivot Assembly This adjustment is necessary in order to prevent problems like Printhead crashes Perform the Manual PRS Adjustment as follows The Manual PRS Adjustment should be carried out using the Carriage Height Tool 5 Carriage Height Tool During the Manual PRS Adjustment procedure the Carriage Assembly has to be moved along the length of the printer Make sure that the Carriage Assembly is only ever moved by pulling the belt and never by direct contact with the Carriage itself 7 a Correct move using the belt Incorrect never move using Carriage Assembly ci invent 1 Turn On the Printer and open the Printhead Access Door Make sure that you turn ON the Printer otherwise you will NOT be able to open the Carriage Cover 2 Open the Carriage Cover and install the Carriage Height Tool into the Magenta Stall Make sure ALL the other printheads are
3. already removed from the Carriage Assembly 3 Close the Carriage Cover and switch OFF the Printer Make sure that you turn OFF the Printer otherwise you will NOT be able to manually move the Carriage Assembly invent rations 4 Move the Carriage Assembly to the left hand side of the Printer to the position shown 5 Using the belt move the Carriage Assembly backwards and forwards over the Pivot Assembly but staying on the left hand side of the printer carefully listening for a scraping sound 6 If you hear a scraping sound that means that the Pivot Assembly is too high and needs to be lowered slightly Lower the Pivot Assembly slightly by turning the T 8 screw 1 8th of a turn clockwise and then check for a scraping sound again as shown previously in step 5 Cross Section Lowering the Pivot Assembly o a 7 Ifyou don t hear a scraping sound that means that the Pivot Assembly is too low and needs to be raised slightly Raise the Pivot Assembly slightly by turning the T 8 screw1 8th of a turn anti clockwise and then check for a scraping sound again as shown previously in step 5 F7 i Cross Section Raising the Pivot Assembly ois O A 8 Repeat steps 5 to 7 until you reach a point where you will hear the scraping sound and by turning the screw just 1 8th of a turn clockwise the scraping sound will disappear 9 Move the Carriage Assembly to the right hand side of the Printer t
4. o the position shown 10 Using the belt move the Carriage Assembly backwards and forwards over the Pivot Assembly but staying on the right hand side of the printer caretully listening for a scraping sound o a 11 If you hear a scraping sound that means that the Pivot Assembly is too high and needs to be lowered slightly Lower the Pivot Assembly slightly by turning the T 8 screw 1 8th of a turn clockwise and then check for a scraping sound again as shown previously in step 10 Cross Section Lowering the Pivot Assembly cots O A 12 If you don t hear a scraping sound that means that the Pivot Assembly is too low and needs to be raised slightly Raise the Pivot Assembly slightly by turning the T 8 screw1 8th of a turn anti clockwise and then check for a scraping sound again as shown previously in step 10 Cross Section Raising the Pivot Assembly o 13 Repeat steps 10 to 12 until you reach a point where you will hear the scraping sound and by turning the screw just 1 8th of a turn clockwise the scraping sound will disappear 14 Move the Carriage Assembly along the length of the Printer listening carefully for the scraping sound 15 If you don t hear the scraping sound then the PRS Adjustment is correct go to step 17 coos O A 16 Ifyou hear the scraping sound then you will need to lower the Pivot Assembly slightly by turning the T 8 screw 1 8th of a turn clockwise on both the left and righ
5. t hand side of the Pivot Assembly Check for a scraping sound again as shown previously in step 14 o a Factory Accuracy Calibration The Factory Accuracy Calibration needs to be performed whenever Restricted Access E Banding is detected in printed images E The Feed Roller Assembly is disassembled or replaced E The Paper Axis Motor Drive Assembly is disassembled or replaced E The Encoder Disc is removed or replaced Perform the Accuracy Calibration as follows 1 Load an A3 B size sheet of HP Proofing Gloss in to the input tray 2 To manually print the Factory Accuracy Calibration hold the power button down and press the cancel button once and the resume button once To Print the Factory Accuracy Calibration Press Cancel button once Press Resume button once Hold Power Button 3 Once the Accuracy Calibration has been printed rotate the page and reload it upside down image facing down 4 Toscan the Accuracy Calibration hold the power button down and press the cancel button once and the resume button four times To Scan the Accuracy Calibration Press Cancel Press Resume button once button four times Hold Power Button i Hi Line used to detect starting point to scan a eI eee Indication that tells you how to load the paper to scan the pattern Pattern printed several times Optimize for different areas of the print zone l Mh MI at
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