20 Most Recent Epson Stylus Pro 4800 InkJet Printer - Page 2 Questions & Answers

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INK PROBLEM Inkjet printers need to be used frequently to prevent ink drying out and blocking the print head nozzles. If the print head cleaning maintenance routine does not clear the blockages, then print head needs replacing, but it may be expensive. It may be more cost effective to buy a later model and better printer than replace the print head. You maybe lucky with this - INKJET PRINT HEAD CLEANING FLUID http://www.pcx.com.au/ProductDetail.aspx?ProductId=1099 http://www.amazon.co.uk/PRINTER-CLEANING-RECOVERY-FLUID-100ML/dp/B001EN9W2Y

Make sure that the "Encoder Strip" is clean and in the channel for the sensor located on the back side of the printhead carriage.

If you are trying to print on normal transparent film then the ink will not dry, it needs to be special transparent file for inkjet printers.