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HP Designjet 600 and 700 Series Printers - Print Cartridge Maintenance

Introduction
The HP Designjet 600 and 700 series printers use similar print cartridge maintenance techniques. Consistent, high quality print is achieved through effective print cartridge maintenance. Three main areas of maintenance are covered in this document:
  • Replacing print cartridge
  • Cleaning electrical contacts and the capping station
  • Service pens message
Replacing print cartridge
Replace the print cartridges if the following conditions occur:
  • A message on the Front Panel indicates that there may be a possible issue with the print cartridges
  • Poor image quality
  • Poor color output
    1. Press the ACCESS CARTRIDGES key (for 700 series), or the ACCESS PENS key (for 600 series). The carriage should move towards the center of the printer.
    2. Open the window and remove the print cartridge by gently pulling forward, then lifting the print cartridge straight out of the carriage slot.
    3. Visually inspect the electrical contacts on the print cartridge and the carriage slot for any ink residue.
       note:
      Ink residue may not be completely visible, HP recommends cleaning the carriage contacts any time a printhead or print cartridge is replaced.
    4. Once the electrical contacts on the print cartridge and carriage slots are clean and dry, insert the print cartridge into the corresponding carriage slot.
    5. If the print cartridge continues to be rejected, then replace it with a new print cartridge.
    6. Close the window and the plotter will check the Pen Alignment.
    7. The printer should return to a "Ready" status.
      Figure : Front Panel of an HP Designjet 700 Series Printer
       note:
      There are slight wording differences on the Front Panel between the HP Designjet 600 and 700 series printers. The upper most light or LED will be labeled either "Busy" or "Receiving" respectively.
Cleaning electrical contacts and the capping station
HP recommends cleaning the electrical contacts on the print cartridges and the carriage slots. The capping station should also be cleaned when print cartridges are replaced. Appropriate cleaning tools:
  • A lint-free cloth or foam swab and warm water
    OR
  • The HP Cleaning Kit: HP part number: C6247A
     caution:
    HP Designjet inks are water-based products. Do not use alcohol or other abrasive cleaners; using abrasive cleaners may cause damage to electrical contacts. Avoid dry cotton swabs, which may damage the print cartridges (lint from the cotton will leave debris).
Follow the complete procedure listed below for cleaning the electrical contacts on each print cartridge, the carriage slots and the capping station.
Cleaning the print cartridge
 note:
Ensure that any remaining debris and/or contaminants are not wiped onto or toward the nozzle plate of the print cartridge.
  1. Lightly dampen a lint-free cloth with warm water. Never drip water into the printer.
  2. Turn the printer on.
  3. Following initialization, press the ACCESS CARTRIDGES key (for 700 series) or the ACCESS PENS key (for 600 series).
  4. When the ink cartridges are accessible, turn the printer off.
  5. Remove the ink cartridges from the carriage.
  6. Hold one cartridge by the cap and turn it upside down so that the nozzle plate of the printhead is facing upward. Do not clean the nozzle plate.
  7. Clean the entire area along the electrical contact pads, especially where the contact strip bends, along the backside of the printhead.
  8. Wipe the contact pads very gently toward the cap end of the printhead.
  9. Perform steps 6-8 for each of the ink cartridges.
     caution:
    Do not attempt to clean the print nozzle area of the printheads. Only clean the electrical contacts on the printheads. Cleaning the actual print nozzle area may cause damage to printheads. Clogged print nozzles can also occur if the nozzle area is wiped clean.
Cleaning the carriage contacts
  1. Lightly dampen a lint-free cloth with warm water. Never drip water into the printer.
  2. Turn the printer on.
  3. Following initialization, press the ACCESS CARTRIDGES key (for 700 series) or the ACCESS PENS key (for 600 series).
  4. When the ink cartridges are accessible, turn the printer off.
  5. Remove the cartridges from the carriage.
  6. Clean each electrical contact strip inside each slot on the carriage until no further ink residue appears on the cleaning cloth.
Cleaning the capping station
 warning:
When cleaning the capping station, keep hands away from the printer’s encoder strip (gray strip extending across the Carriage path) as the edges are sharp.
  1. While the printhead carriage is in the center of the printer, locate the capping station area on the left-hand side of the printer.
  2. On the top surface area of the capping station, locate the four small rectangular rubber boots and rubber wipers.
  3. Lightly dampen a lint-free cloth or foam swab with warm water. Never drip water into the printer.
  4. Gently wipe each rubber boot and wiper until no further ink residue appears on the cleaning cloth or swab.
     note:
    Wait until all the cleaned parts are dry before re-installing to the carriage.
Once all components are clean and dry. Reinsert the print cartridges and turn the power on. Once the plotter completes the initialization process, if the cleaning process has been successful, all print cartridges should be recognized. If an individual print cartridge continues not to initialize, replace the used print cartridge with a new print cartridge.
 note:
When installing a new print cartridge, ensure that the expiration date, printed on the outside of the cartridge package, is at least six months to a year into the future.
Service Pens Message on the HP Designjet 600 and 700 series printers
The Service Pens Message indicates that there is a problem with one or more of the cartridges or that the electrical contacts of the HP Designjet printer need cleaning. Perform the following steps to help troubleshoot possible issues:
  1. Remove each cartridge.
  2. Check to see if the protective tape was removed from the bottom.
  3. Check to see if the contacts are dirty on the carriage or the cartridges.
  4. Clean all ink cartridge components (refer to cleaning section of this document).
     note:
    If pen check is set to on, the print cartridge service station automatically checks before each plot to verify that all the nozzles are firing properly. The Service Pens error will appear if any of the nozzles fail.
  5. If cleaning does not resolve the problem, replace the problem cartridge(s).

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