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Epson SureColor SC-P800 Refill Instructions


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Instructions for Epson SureColor SC-P800 Refillable Cartridges


IF you have BLOCKED the Epson printer from updating the FIRMWARE, then these cartridges WILL AUTO-RESET as intended.  But, if you have updated the printer firmware, then the seed has been sewn, and they will only be good for 1 time use.


If this is a new P800 printer, please test your printer first! It is possible to receive a new printer that has one or more misfiring nozzles or some other defect. Make sure to run nozzle checks and perform some print tests to carefully examine print quality. Look for striations or thin lines in the images, which if all nozzles are firing, may indicate head alignment problems. This test will insure that you are installing the refillable carts in a printer which is in top working condition. Failure to test your printer first, may waste time and ink chasing down problems that are related to printer quality.

To Install: Use the syringes provided to fill each refillable cartridge with SuperJet Inks to 80-90% full and insert into the printer. The cartridges should be installed as a complete set. The refill cartridges are auto-reset and no chip from the OEM cartridge is required.

To Refill and Reset: When the printer advises that a cartridge is empty and needs changing, press the cartridge change button, take the cartridge in question out of the printer and remove the filling bung. Fill the cartridge with the correct ink using a syringe provided and replace filling bung. Re-seat the cartridge and press the cartridge change button. The printer will then recognize the ink level as full and you can continue to print.


Filling cartridges with ink:


Each cartridge has a colored rubber plug with pull tab on the back side- this is the ink fill hole. Place a cartridge upright with fill hole up, then remove the plug. Always shake ink bottles before filling or refilling cartridges to ensure pigment is in suspension for consistent output. Check to make sure the ink bottle and cartridge color position match before filling the cartridges. Using a syringe with long blunt tip needle attached, draw 60ml of ink into the syringe and inject into the cartridge, then draw and inject another 10ml. (70ml fills the cartridge). Do NOT overfill cartridges. There MUST be a small air gap at the top of the cartridge for proper function. 


Prime cartridge with ink:


After filling a cartridge with ink and reinserting the fill hole plug, place the cartridge upright as shown below. Remove the orange vent plug from the air inlet port if it is attached. With priming tip attached to the slip-tip syringe, insert the priming tip straight into the exit valve (ink outlet) to depress the spring and open the valve (the priming tip must be pushed thru the plastic membrane covering the exit valve- do NOT remove the plastic membrane). Pull the syringe plunger to fill the exit channel & valve until a few drops of ink enter the syringe (1mL to 2mL). When ink starts flowing into the syringe, pull the syringe and priming tip straight out of the cartridge. This will close and seal the exit valve. The cart is primed and ready to be installed into your printer. Syringes and blunt needles can be rinsed with distilled water and air dried for future use.


NOTE: If your cart has an orange plug over the air inlet point, REMOVE it before priming or installing the cartridge. 




NOTE: Unprimed cartridges will not have ink in the exit channel, indicated by arrows in the photo below/left. The photo below/right shows a primed cartridge with ink in both chambers. The circle and rectangle chambers marked below MUST be at least 1/2 filled with ink for proper ink flow. 




Installing cartridges in the printer:

Open the cartridge bay door, remove Epson cartridge(s) and install refillable cart(s) into printer, then close the cartridge bay door. The printer should now pressurize carts. When it stops, the green power light should be on and  “ready” displayed on the printer LCD panel. If you see a red light or cartridge error on the LCD at this point, one or more chips has not been recognized or seated correctly. If this is the case, open the cartridge bay door, make sure the auto reset chip is firmly pushed down for a good connection with the Epson chip below, then reinsert firmly into the printer.

If you install or replace one cartridge at a time, print a nozzle check to make sure all positions are fully printing. If there are missing nozzles or positions at this time, let the printer sit for 1-3 hours then do 1-2 regular cleaning cycles before printing another nozzle check.

NOTE: Do 3 Power Clean Cycles or an Initial Fill Cycle after installing carts to purge color ink and get ink from cartridges to the print head. Print a nozzle check to make sure all positions are fully printing, then print a test gradient and examine it for color staining. Yellow, which is the worst for color staining, will show up in the highlights. If color staining is present, do another Power Clean Cycle or a few regular cleaning cycles. Follow this by printing another gradient to make sure color is gone before printing images.

Refilling Instructions:

Ink level shown on the printer’s LCD panel and the Epson Status Monitor will NOT be accurate with these refillable cartridges, so ink level must be monitored visually. The cartridge chips automatically reset themselves frequently, so ink levels will always read full or almost full. 

To refill cartridges- place cartridge fill hole up, then remove the fill hole plug and inject ink using the syringe with blunt tip needle attached. Do NOT overfill cartridges. You MUST allow for a small air gap at the top for proper function. Always shake ink bottles before filling or refilling cartridges to ensure pigment is in suspension. For consistent output, always confirm that the ink bottle and cartridge color position match before filling or refilling.  

Tips and Troubleshooting Guide:


Pigment ink settles if not regularly agitated. To keep the ink printing at full density, gently shake the cartridges every 1-2 weeks to keep the pigment in solution. If the printer is not used for two weeks or more, shake the ink cartridges then do 1-2 Power Cleaning Cycles. This will purge the settled ink from the printer’s internal ink lines and fill with ink from the shaken cartridges. It is NOT good to leave pigment ink installed in a printer that will sit unused for an extended time.

Use the printer on a regular basis for best function. To keep ink moving thru the ink lines and the head moist, print a small image or do a cleaning cycle every week if the printer is not used regularly. It is NOT recommended to leave pigment ink installed in a printer that will not be used for several months at a time- see below for additional information on flushing and storing your printer. 


Long term storage of printer: If you do not plan to use a printer for an extended period of time, it is best to remove ink cartridges, install a set of flush cartridges and flush ink from the print head by doing 3-4 Power Cleaning Cycles, before turning it off for safe storage. Store unused cartridges upright in a sealed plastic bag to avoid drying.


Monitor and maintain humidity levels between 40-60% in the printing area. This is Epson’s recommendation. Both lowand high humidity can cause problems with the printer, ink and paper.


Cartridges unrecognized: If your printer displays empty cartridge boxes on the LCD or other strange errors, the printer can be reset as follows. Open the cartridge bay door and unlock all nine carts, then slide out the waste ink tank and turn the printer power off for at least 3 minutes. When the printer is turned back on, the LCD will display “NO maintenance tank”. Slide the waste ink tank back into the printer and close the waste tank door. The LCD should now display “NO ink cartridge”. Push cartridges snugly into the printer from left to right (1 to 9), then lift up on the bottom/rear of all carts to ensure they are even. The LCD should now display “Cartridge door open”, close the cartridge bay door and the printer should pressurize cartridges then display “Ready” on the LCD panel.


Keep capping station clean to keep the print head clean and printing well.

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