Carriage Height Calibration
Contents
1. For all your Home and Office PC Printer Plotter and Network Needs We are never far away Our goal is to ship what you need when you need it No gimmicks and No games We ship the same day you order when ever possible You can always find us on the Web at http www computercareonline com All the best parts for your systems printers and plotters We carry in stock hard to find Half Height and Low Profile Modems Network Cards Even AGP and PCI Video cards In Stock everyday hard to find HP DesignJet Plotter parts and Belts Of course we always keep inks ribbons and toners in stock We offer Free Ground Shipping See website for details Their Specials are more FREE Shipping mn See website for details Order Online Anytime Visa COD MasterCard 979 530 0207 Check American Express yyww computercareonline com _ Money Order Service Calibrations NOTE Carriage Height Calibration The purpose of this Service Calibration is to adjust the distance between the Carriage Assembly and the Center Platen This calibration is necessary in order to prevent problems like Printhead crashes Perform the Carriage Height Calibration whenever m Carriage is disassembled or replaced m Center Platen is disassembled or replaced Continuous Printhead Crashes Perform the Carriage Height Calibration as follows The procedure should be carried out using the Carriage Height Tool See Figure 1 below that2. along the length of the printer you are listening for a scraping sound if you hear a sound already you may proceed directly with step 9 if not you must lower the Carriage Assembly step 8 and try again until a scraping sound is heard 5 28 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 8 Lower the Carriage Assembly slightly by turning the T9 screw shown below anti clockwise and then check for a scraping sound again as shown previously in step 7 9 On moving the Carriage Assembly along the length of the printer you should now hear a scraping sound this sound indicates that you need to raise the Carriage Assembly if there is no sound repeat step 8 HP DesignJets 1050C and 1055CM Printers Service Manual 5 29 Service Calibrations 10 Raise the Carriage Assembly slightly by turning the T9 screw shown below clockwise 5 30 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 12 When the scraping has been eliminated it is important to leave the Carriage Assembly as close as possible to the Center Platen move the Carriage Assembly back and forth across the area where the scraping sound was gently lowering and raising the Carriage Assembly until you are sure that it is as close as it possibly can b
3. came with the new Carriage Assembly or Center Platen Assembly Carriage Height Tool Figure 1 5 24 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations NOTE During the Carriage Height Calibration procedure the Carriage Assembly has to be moved along the length of the printer for correct calibration Make sure that the Carriage Assembly is only ever moved by pulling the belt and never by direct contact with the carriage itself See Figure 2 below Correct move using the belt Incorrect never move using Carriage Assembly Figure 2 1 Disconnect the Ink Leak Detector Cable Connector from the back of the printer HP DesignJets 1050C and 1055CM Printers Service Manual 5 25 Service Calibrations 2 Remove the EMC Cover on the left hand side of the printing area 5 26 HP DesignJets 1050C and 1055CM Printers Service Manual Service Calibrations 4 Insert the Carriage Height Tool into the black cartridge slot 5 Close the Carriage Cover Ey ce oo HP DesignJets 1050C and 1055CM Printers Service Manual 5 27 Service Calibrations 6 Loosen the two T10 screws at the back of the Carriage Assembly NOTE NOTE The screws should not be removed 7 Using the belt and beginning to the left hand side of the starting position where the left hand edge of the paper is positioned when printing move the Carriage Assembly back and forth
4. e to the Center Platen without touching 13 Continue checking the full length of the printer until you arrive at the blue line used to load the cut sheet paper repeating steps 10 11 and 12 whenever a scraping sound is heard HP DesignJets 1050C and 1055CM Printers Service Manual 5 31 Service Calibrations 14 When the complete length of the printer is calibrated clear of any scraping sound tighten the two T10 screws at the back of the Carriage Assembly to secure the current position 5 32 HP DesignJets 1050C and 1055CM Printers Service Manual
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