Related Manuals for Kodak NovaJet 850
Summary of Contents for Kodak NovaJet 850
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Page 1: Table Of Contents
NovaJet 850/880 Printer Printer Installation Ink Installation Printer Calibrations Networking Routine Maintenance Preventive Maintenance Cartridge Checklist Common Problems Technical Bulletins Available Ink Configurations Dry Time Guidelines Routine Printer Maintenance NJ880 Rigid/Textile Print Ops Printer Grounding, ESD Control, & Output Symptoms... -
Page 2: Printer Installation
NovaJet 800 Series Training Guide A. Printer Installation Verify all boxes have been received. Box 1 contains the printer head and customer documentation (includes the System CDs, Quick Start Guide, screws, and screwdriver). Also enclosed are 12 reservoirs, 12 cartridge tubing needles/septum connectors. - Page 3 NovaJet 800 Series Training Guide Flip Box 1 (largest box) upside down and open. Remove packaging materials, 12 ink reservoirs, 12 cartridge tubing needles/septum connectors, network parallel cable, and documentation. Attach legs and feet to printer. Caution: Do not damage leg harness wiring! Ensure cable is not pinched/twisted. Rotate printer to one side and lift out of box using a two person lift.
- Page 4 NovaJet 800 Series Training Guide Attach dryer brackets and install dryer plenum. Note: align the dryer plenum guide pins with the dryer brackets. Secure dryer logic cable and power cord. NOTE: If installing the new universal dryer (black metal) ensure the underside voltage selector switch is set to either 115VAC or 230VAC depending on region.
- Page 5 NovaJet 800 Series Training Guide Select supply mode Options include Sheet, Roll, Roll 2 or Take-Up. Main Menu Paper Option Menu Load Media Feed Media Menu Supply Type Auto-Cut Setup Menu Media Standard Save Media Pause Utility Menu Margins Auto-Wipe Reset Auto-Load Delay Exit...
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Page 6: Ink Installation
NovaJet 800 Series Training Guide B. Ink Installation ‘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 7 NovaJet 800 Series Training Guide 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 8 NovaJet 800 Series Training Guide 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. Replace septum connector/needle if repeated attempts continue to fail.
- Page 9 NovaJet 800 Series Training Guide Activate the Prime pattern. Select UTILITY MENU – PRIME. Verify all colors are printed. Verify no clogs are present in the prime pattern. Manual or automatic jet compensation is provided up to 20 jets in each cartridge. Ensure the integrity of the diagonal lines are consistent and smooth.
- Page 10 NovaJet 800 Series Training Guide To manually bypass a clogged black (i.e. 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 Pause...
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Page 11: Printer Calibrations
NovaJet 800 Series Training Guide Printer Calibrations All calibrations should be performed in accordance with user documentation or refer to steps below. 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. - Page 12 NovaJet 800 Series Training Guide Slow Deadband Calibration To activate the Slow Deadband calibration select Utility Menu - Service Menu - Calibration Menu - Slow Db Test. The Slow dB Test pattern will print very slowly. This is a mechanical adjustment of the printer servo system and should be performed monthly. Ensure the vertical lines are straight, if out of alignment, as in this example, then an adjustment is necessary.
- Page 13 NovaJet 800 Series Training Guide Color Deadband Calibration To activate the Color Deadband calibration select Utility Menu - Calibration Menu - Color dB Menu - Color dB Test. The Color dB pattern will print. This is an electronic calibration for compensating the differences in cartridge resistances.
- Page 14 NovaJet 800 Series Training Guide Color Calibration (most important) To activate the Color calibration select Utility Menu - Color Calib. Menu – Calib Test (NOTE: the Vert Calib Test and Horiz. Calib. Test. will need to be activated and adjusted) Seven horizontal patterns followed by seven vertical patterns will print.
- Page 15 NovaJet 800 Series Training Guide Final Calibration Check - Deadband Calibration To activate the Deadband calibration select Utility Menu - Service Menu - Calibration Menu - Deadband. The deadband pattern will print very quickly in all color ranges. This is a final check of printer calibrations to ensure alignment has been achieved. Ensure the vertical lines are straight with respect to each color, if severely out of alignment, as in this example, then a re-calibration of the printer is necessary or cleaning of the encoder strip is necessary.
- Page 16 NovaJet 800 Series Training Guide 7. Image Skew Specifications: PER FEC T REFERE NC E R ECT A NG LE A C TUA L O UT PUT M EDIA PERIM ET ER EXHIBIT A Assuming the media loading instructions as defined in the user manual have been followed, Exhibit A describes the maximum permissible image skew.
- Page 17 NovaJet 800 Series Training Guide Best Quality Mode To obtain the highest or optimum print quality mode from the printer, for 1x4 or 1x8 operations, place the print pass mode to 10, carriage speed of 7 and bi-directional operation. For 2x4 print operations, place the print pass mode to 5.
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Page 18: Networking
NovaJet 800 Series Training Guide D. Networking Printer Networking is generally a 3-step process: 1. Assign TCP/IP address of host computer/server. a) 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 19: Routine Maintenance
NovaJet 800 Series Training Guide E. Routine Maintenance (same as Technical Bulletin 3) Perform routine maintenance at recommended plot time hours and in accordance with prescribed documentation. The printer must be cleaned and serviced routinely (i.e. weekly or bi-weekly) or print output anomalies or premature printer failures may occur during normal operations. - Page 20 NovaJet 800 Series Training Guide - Apply solution to lint free towel. Blot cartridge jet plate center several times, wipe away excess residues from sides of jet plate. NOTE: Do not wipe center jet plate area and do not lift the cartridge up too high or flip cartridge upside down as this may cause the cartridge to deprime.
- Page 21 NovaJet 800 Series Training Guide INTERVAL COMPONENT CLEANING AGENT 75 Plot Hours Encoder Strip NovaKlean /Distilled Water/Isopropyl Alcohol Apply solution to cotton swab. Thoroughly clean top and bottom surfaces of entire length of encoder strip. Perform second cleaning using isopropyl alcohol on cotton swab. NOTE: the use of several cotton swabs will likely be necessary to ensure encoder strip is thoroughly clean.
- Page 22 NovaJet 800 Series Training Guide INTERVAL COMPONENT CLEANING AGENT 75 Plot Hours Slide Shaft NovaKlean /Isopropyl Alcohol - Apply solution to lint-free towel and thoroughly clean entire length of slide shaft (printing area) and cutter groove bottom surface. Do not lubricate the slide shaft or damage to carriage bushings will result.
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Page 23: Preventive Maintenance
NovaJet 800 Series Training Guide INTERVAL COMPONENT CLEANING AGENT As Required Paper Sensor NovaKlean /Isopropyl Alcohol The Paper Sensor is located This illustration directly behind the right is a front-side carriage assembly, magenta angle of the cartridge stall position, underside of approximately 4 mm. -
Page 24: Cartridge Checklist
NovaJet 800 Series Training Guide Cartridge Checklist (for warranty replacement) 1. Electrically bad jets (100% filled block) in the Prime pattern (10 nozzle failures for 208 Jet cartridges (red-top) and <500 ml throughput (see UTILITY MENU – SERVICE MENU – CARTRIDGE INFO) warrants a cartridge replacement. -
Page 25: Common Problems
NovaJet 800 Series Training Guide Common Problems Skewing of the output image is normally a dirty or defective encoder strip/sensor; edges of print shift back and forth. Clean encoder strip thoroughly top and bottom using Windex or NovaKlean solution; clean encoder sensor by spraying Windex directly onto sensor;... - Page 26 NovaJet 800 Series 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 27 NovaJet 800 Series 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 28 NovaJet 800 Series 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 29 NovaJet 800 Series 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 30 NovaJet 800 Series 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 31 NovaJet 800 Series 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. D1 – Normally flashes; DSP is not active. Steady during print operations. D9 –...
- Page 32 NovaJet 800 Series Training Guide For NJ800 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. Utility Menu Service Menu Diagnostic Menu...
- Page 33 NovaJet 800 Series Training Guide ‘Carriage Axis Failure’ (Internal Error Shutdown) error messages appear on control panel display at random intervals causing print failures and printer reboots. The carriage bushings are excessively dirty or worn; clean or replace carriage bushings (4 or 6 depending on the previous service action).
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Page 34: Technical Bulletins
The Kodak 4800 series printers originally used light fast (LF) dye inks which follow the same configurations as GS+ above. The LF pigment inks were only available in the CMYK ink configuration, but are no longer available. Kodak 4800 customers who wish to use Encad inks/cartridges should upgrade printer firmware (NJ8x2013.rom). -
Page 35: Dry Time Guidelines
Technical Bulletin 2 Dry Time Guidelines - Printer in Auto Take-up Mode The NovaJet 800/KODAK 4800 series printers are considered some of the fastest inkjet printers in the market. Consequently, certain images, using high-speed pass settings, may not have enough time to dry before being automatically rolled up on the take-up assembly. - Page 36 NovaJet 800 Series Training Guide Lamination Time: In order to allow you to be as productive as possible, the NovaJet 800/KODAK 4800 series printers feature the Dynamic Thermal Drying system (DTD). When the Dryer setting is set to ‘AUTO’ (default) the printer monitors temperature and humidity and constantly adjusts the DTD operating temperature to provide consistent printer performance.
- Page 37 NovaJet 800 Series Training Guide Print Mode Comparisons (real world observations) The 1x4 cartridge set running @ 6-pass print mode uses approximately the same amount of ink as 2x4 cartridge set running @ 3-pass print mode. – both modes use same amount of ink (since both are 4 color) for the same image printed;...
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Page 38: Routine Printer Maintenance
NovaJet 800 Series Training Guide Techical Bulletin 3 Routine Printer Maintenance Refer to pages 18-23. Technical Bulletin 4 NovaJet 880 Rigid/Textile Media Print Operations This document addresses many of the questions and concerns of printing on rigid and other thick media with the NovaJet 880 printer. Rigid, textile and roll media may pass through the printer up to ½”... - Page 39 NovaJet 800 Series Training Guide Rigid media should be stored laying down on a flat surface. Storing media vertically will damage the media and cause a media deviation. Damaged media, due to shipping, should be returned to the source. Warped media will not feed properly through the NovaJet 880.
- Page 40 NovaJet 800 Series Training Guide 5. Operational Note: Initial Power Up Sequence The printer will not fully initialize if the center platen section, or adjustable platen, is out of range (above the upper limit or below the lower limit). Either the media must be loaded or the platen raised to within range of the proper print gap sensor limits.
- Page 41 NovaJet 800 Series Training Guide or call 1-800-570-7653 for more information http://www.ontspct.com/ The coating is used as is and does not require mixing with other chemicals. If the coating requires thinning for the application method being used, thin with water. Before applying the coating, make sure that all surfaces are free from dirt, grease, fingerprints, rust or any other foreign matter.
- Page 42 The Frog Juice has been reported to work on some of the outdoor signs printed with GO ink in the form of liquid lamination. KODAK does not have a position on this claim. Remember to always DO A TEST PIECE first.
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Page 43: Printer Grounding, Esd
NovaJet 800 Series Training Guide Technical Bulletin 5 Printer Grounding, ESD Control and Output Symptoms The NovaJet 800 series printers consume up to 1200 watts of power during typical operation and must be properly grounded in accordance with regional and general equipment/electrical grounding guidelines. - Page 44 NovaJet 800 Series Training Guide 2. Ink Overspray Ink Overspray and/or combination of data shift and ink overspray is observed. Normally occurs at severe ground fault locations (high levels of AC riding on ground/neutral lines or high levels of ESD are coming from the air plenum).
- Page 45 NovaJet 800 Series Training Guide Normal Color Test print pattern 5. Premature Cartridge Failure (<500 ml and 10+ electrically failed jets = warranty replacement) - Massive cartridge jet failures may occur prior to the standard cartridge warranty (500 ml). Static interference and electrical discharges from media/printer to the cartridge jet plates can cause premature failure of internal cartridge electronics (i.e.
- Page 46 NovaJet 800 Series Training Guide B. ESD Control Measures 1. Proper Power Cord & Grounding - Only use the approved power cord, for the specific region, as supplied with the printer. The third prong (ground line) is required for proper printer operations, personnel safety and circuit protection.
- Page 47 NovaJet 800 Series Training Guide – verify ESD carbon brushes are within 0.25” (7 mm) from media surface. Refer to Note 1 and Note 2 below. NOTE 1: ESD brushes are meant to have the carbon fibers in the same proximity of the media but not actually touch the media.
- Page 48 NovaJet 800 Series Training Guide Fig. C c). When attaching ESD brushes to the rear platen underside ensure even pressure is applied to tape area. Press taped assembly into position for approximately 30 seconds to ensure adequate bonding. d). Connect ground wire to a convenient earth return through the various screws located on the underside of the platen chassis, refer to Figure A above.
- Page 49 NovaJet 800 Series Training Guide 4. Install Ant-Static Mats (3 party) - The installation of Anti-Static mats below the printer have been known to efficiently control/minimize ESD levels between personnel and the printer. Sample vendor website: http://www.anti-staticmat.com/ESDAntiFatigueFloorMatDirectory.htm C. Printer/Receptacle Power Tests If the ESD Control Measures (above) have been installed and ESD symptoms continue to exist with printer operation it is suggested to check for proper printer/receptacle power and adequate grounding.
- Page 50 NovaJet 800 Series Training Guide section A); values greater than 12.0 volts lead to more severe problems including premature cartridge failures and severe banding. 2. Verify Proper Receptacle Configuration: Incorrect Correct Verify the regional power (source) receptacle has a Ground (G) line for the respective region (N is neutral;...
- Page 51 NovaJet 800 Series Training Guide If neutral-to-ground voltage, above 6 volts AC, is present then a serious problem is present within the building's electrical system. Often a mis-wired connection or imbalanced phase load can cause voltage/current to ‘bleed’ onto the ground line (commonly referred to as neutral-to-ground voltage) or a serious ground fault exists within the building.
- Page 52 NovaJet 800 Series Training Guide E. Common Mistakes 1. The printer should only be grounded to the buildings electrical receptacle/outlet using the power cable provided and should conform to all electrical building grounding regulations in accordance with country/regional regulations. If a printer grounding problem is discovered only have a certified electrician ground the power source receptacle properly.
- Page 53 This technical bulletin has been provided as an aid to assist the customer/technician/authorized service provider, or electrician in solving a very specific issue regarding grounding related problems on the NovaJet 800/KODAK 4800 series printers as detailed above. This document is not intended to assist with other electrical or equipment issues, nor does it supersede any regional electrical code regulations or ordinances.