Epson PP-50BD Users Guide for Mac - Page 111
Label Printing Problems
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Troubleshooting Label Printing Problems Symptom/Problem Status Check/Remedy Procedure • Rubbing • Lines or streaks are formed • Blurriness • Text or lines are shaky • Incorrect color tones • Some colors are not printed • Unevenness in the printing • Mosaic-like patterns are printed • Printing is grainy (jagged) Are the print head nozzles clogged? Perform a nozzle check to confirm the status of the print head, and if it is clogged, perform head cleaning. See the information below for details. • "Checking the Print Head Nozzles" on page 85 • "Cleaning the Print Head" on page 87 Are you using a recommended ink cartridge (Epson brand product)? This product performs color adjustment based on use of Epson brand ink cartridges. Use of non-Epson brand products can result in poor printing quality. Use of Epson brand ink cartridges is recommended. Are you using an old ink cartridge? Use of an old ink cartridge can result in poor printing quality. The usage period for ink cartridges is printed on the packaging of individual ink cartridges. After opening the cartridge, try to use it up within six months. Is there a difference in the print head gaps during bidirectional printing? When bidirectional printing is set, printing is performed at a high speed, and ink is discharged as the print head moves to both the left and right. On rare occasions, however, the printing position when moving from right to left is shifted from the printing position when moving from left to right, leading to shifting of the vertical rule lines and blurred printing results. Use the print head alignment function to check and adjust for differences in the gap. (See "Aligning the Print Head" on page 90.) Are you using discs with different thicknesses? The thickness varies depending on the disc product. When discs with different thicknesses are used, the gaps of the print head can be shifted. Use the print head alignment function to check and adjust for differences in the gap. When publishing multiple discs, the use of the same disc product type is recommended. (See "Aligning the Print Head" on page 90 for details.) Or print with unidirectional printing. However, with unidirectional printing, print speed will be slower. Are you printing on inkjet printer discs? The product supports discs for inkjet printers. This product does not support thermal transfer printer discs. Also, the printing quality may vary depending on the quality of the printing discs. Use of Epson specified CD and DVD discs is recommended. Epson offers specified CD-R and DVD-R discs for all your printing needs. 111