Kodak NOVAJET 750 Training Manual
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Kodak NOVAJET 750 Training Manual

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Summary of Contents for Kodak NOVAJET 750

  • Page 1 NovaJet 750 Printer Ink Installation Printer Calibrations Routine Maintenance Preventive Maintenance Cartridge Checklist Advanced Troubleshooting Print Server Networking...
  • Page 2 NJ750 Training Guide A. Ink Installation 1. ‘Plug and Play Cartridge’ characteristics Installed needle assembly Do not break connection when installing new cartridge 25 ml inside preprimed Installing ink into reservoirs It is suggested to fill reservoirs over a table to prevent spills on printer; fill to a maximum of 400 ml (50 ml minimum).
  • Page 3 NJ750 Training Guide a) Prime line using the short needles (purple in color); attach short needle to each of the 4 valves. Connect septum needle to EasyPrime by inserting into female receiver. Depress and hold EasyPrime activation button to provide a solid burst, wait 20 seconds, or until ink line is full.
  • Page 4 NJ750 Training Guide down a solid band of color with 33% ink load. Color Test Failures: - Example A above depicts complete ink starvation in magenta. This problem may be corrected by using the EasyPrime and establishing the required pressure inside the cartridge.
  • Page 5 NJ750 Training Guide...
  • Page 6 NJ750 Training Guide 6. Cartridge Jet - Manual Bypass Feature Example: to manually bypass a clogged black (K) jet, perform the following steps: Open Jet Menu Main Menu Black Edit List Print Jet List Load Media Feed Media Menu Cyan Edit List Clear List Menu Setup Menu Magenta Edit List...
  • Page 7 NJ750 Training Guide B. Printer Calibrations Paper Axis Test Prior to running a Paper Axis Test ensure a minimum of 36 inch media is loaded. To activate the Paper Axis Test select Utility Menu - Calibration Menu - Paper Axis Test. An upside-down "T"...
  • Page 8 Controlling Image Skew (not media skew as this is mechanical). NovaJet 750/800 series of printers are designed with self-aligning pinch rollers. The alignment process takes place when media is advancing forward, but not backwards.
  • Page 9 NJ750 Training Guide 2. Advance the media though the printer about 1 foot, using the Feed Media Menu/Forward button. 3. Put the printer media feed in “Sheet” mode (Set-up Menu/Paper Option Menu/Supply Type/Sheet). Using the media “Forward” button, drive the media forward until it is pulled tight. 4.
  • Page 10 NJ750 Training Guide C. Routine Maintenance 1. Perform routine maintenance at recommended plot time hours and in accordance with prescribed documentation. NOTE: The NovaJet printer must be cleaned and serviced routinely or print output anomalies or printer failures may occur during normal operations.
  • Page 11 NJ750 Training Guide INTERVAL COMPONENT CLEANING AGENT 10-20 Hours Cartridge Jet Area NovaKlean on lint-free Towel 50-75 Hours Encoder Strip NovaKlean on cotton swab, followed by Isopropyl Alcohol on cotton swab (perform every 25 plot hours for GO ink printing) INTERVAL COMPONENT CLEANING AGENT...
  • Page 12 NJ750 Training Guide INTERVAL COMPONENT CLEANING AGENT 50-75 Hours Flex Driver Cables NovaKlean on lint-free Towel Ensure cables are dry. INTERVAL COMPONENT CLEANING AGENT 20-30 Hours Carriage Bushings NovaKlean on cotton swab 50-75 Hours Cutter Groove Toothpick or small wooden tool INTERVAL COMPONENT CLEANING AGENT...
  • Page 13 NJ750 Training Guide INTERVAL COMPONENT CLEANING AGENT As Required Paper Sensor Isopropyl Alcohol on cotton swab The Paper Sensor is located directly behind the Right Carriage magenta cartridge approximately 4 mm. Spin cotton swab at an upward angle of 30 degrees.
  • Page 14 NJ750 Training Guide D. Preventive Maintenance Perform preventive maintenance at recommended plot time hours and in accordance with prescribed documentation (authorized service providers only!). At 2000 plot hours replace both Carriage Bushings, Trailing Cable, Service Station and thorough perform cleaning (including carriage paper sensor and encoder sensor).
  • Page 15 NJ750 Training Guide E. Cartridge Checklist (for warranty replacement) 1. Electrically bad jets (100% filled block) in the Prime pattern (10 nozzle failures for 20 Jet (red-top) cartridges and <500 ml throughput (see UTILITY MENU – SERVICE MENU – CARTRIDGE INFO) warrants a cartridge replacement.
  • Page 16 NJ750 Training Guide Advanced Troubleshooting Skewing of the output image is normally a dirty or defective encoder strip/sensor. Clean encoder strip thoroughly top and bottom using Windex or NovaKlean solution. Clean encoder sensor by spraying Windex directly onto sensor; blow dry with canned air – refer to NJ1000i Technical Bulletin 5.
  • Page 17 NJ750 Training Guide Faint cut lines or heavy lines which angle slightly on one end are caused by the carriage head hitting the media surface. Media up to a 20 mil thickness can pass through the printer. Ensure media has not been exposed to humidity for long periods as this will cause media to become stiff.
  • Page 18 NJ750 Training Guide Larger than normal ink droplets (0.5- 2 mm) on the media are caused by excessive pressure in the cartridge. Ensure the cartridge only has 20 ml of ink inside and the ink reservoirs do not have more than 400 ml of ink inside.
  • Page 19 NJ750 Training Guide Ensure the diagonal lines in the prime pattern are solid and exhibit consistency. Up to 20 jets may be compensated in each cartridge while maintaining photo pass quality printing. Horizontal bands along the right edge of the media are typically caused by a dirty service station or cartridge.
  • Page 20 NJ750 Training Guide Ink over spray can be caused by compression utilities. Electrostatic discharge from film media has also been known to exceed the printer specifications and cause inconsistent overspray. Verify the strike-plate brushes are in good condition before resuming print operations. Do not use 3-prong to 2-prong adapters when connecting printer to power source;...
  • Page 21 NJ750 Training Guide Vertical banding through an image can be caused by mottling of the ink on low saturation media like bond, the carriage bushings are worn out causing ‘carriage chatter’, or the lower roller is extending too high through the platen.
  • Page 22 NJ750 Training Guide For initialization failures first ensure the memory module is properly seated at the Main PWA (remove 5 screws to access) and verify the proper LED states (NJ800 series only): D1 – Normally flashes; DSP is not active. Steady during print operations. D9 –...

  • Page 23: Sensor Status

    NJ750 Training Guide For NJ750 and 800 series dryer system failures ensure the logic cable and power cable are properly secured. Check sensor status for error messages. Cycle power to verify operation. From the top-level menu of the printer, check the dryer sensor status (NJ800 only).
  • Page 24 (SEH Intercon print server) A. The 100baseTX parallel print device allows connection between a 100 baseTX network environment and the NovaJet 750. The SEH print server draws power directly from the printer’s parallel port. High speed print server; 1 Mbytes/sec data rate...
  • Page 25 NJ750 Training Guide Configuration for Windows 2000/XP Printer Networking is a basically a 3-step Process: 1. Assign TCP/IP address of host computer/server 2. Assign TCP/IP address to print server (may also need to install windows printer port during this process) 3.
  • Page 26 NJ750 Training Guide NOTE: Before you can configure a Windows print queue, you must first configure an IP address on both your PC and the SEH print server. 1. PC PROTOCOL SETUP 1. If you have not already done so, install the TCP/IP protocol on your PC. This is done by first RIGHT-CLICKING on the My Network Places icon on your desktop.
  • Page 27 NJ750 Training Guide Alternate DNS Server- 192.168.254.190 Leave the Gateway blank. See Figure Below. NOTE: To configure the SEH print server you will have to load the InterCon NetTool. Insert the InterCon CD into your CD drive or obtain from: http://www.seh.de/ 2.
  • Page 28 NJ750 Training Guide 2. To assign your IP address and Subnet Mask, choose TCP/IP from the configuration tree on the left. Assign 192.168.254.200 for the IP address. Assign 255.255.255.0 for the Subnet Mask. Leave the Gateway blank or zeros, and de-select DHCP at the bottom. See figure below.
  • Page 29 NJ750 Training Guide 3. Close the InterCon-NetTool. Your settings will be saved in the print server. You are now ready to setup the Windows Printer Port. 3. WINDOWS PRINTER PORT SETUP NOTE: If RIP software has been previously loaded then a hot folder with an assigned port will have ‘normally’...
  • Page 30 NJ750 Training Guide 5. Under “Printer Name or IP Address” enter 192.168.254.200. The “Port Name” will self generate. Click Next. See figure below.
  • Page 31 NJ750 Training Guide 6. Under “Device Type” select “Network Print Server (1 Port)” the first one in the list. Click Next, then Finish. See figure below. 7. You will now be prompted for the Manufacture and Printer Type. Select “Generic” and “Generic/ Text Only”.
  • Page 32 NJ750 Training Guide 4. RASTER IMAGE PROCESSOR (RIP) TCP/IP ASSIGNMENT 1. The last step of the networking setup is to assign an IP address in the RIP software (this TCP/IP address is the same address assigned to the SEH Intercon print server). The location of the ‘device’...

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