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U00118640201
T Troubleshooting Guide roubleshooting Guide
When you encounter “white lines”, “bleeding”, “stain” and
“dark lines” on the print...
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Documents Number U00118640200, First Edition, February 2010 U00118640201, Second Edition, March 2010 Copyright © Seiko I Infotech Inc. 2010 All rights reserved The content of this document may be changed without a prior notice.
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Troubleshooting How to utilize this Guide How to utilize this Guide Step 1 In the Contents, look for a poor image quality symptom that is similar to that of your print. Step 2 Go to the designated page, and then look for a more similar symptom (pattern). Handle the issue according to the “Solutions”. * Some symptoms may have several causes. D e p e n d i n g o n t h e s i t u a t i o n , a p p l y a combination of the solutions. If the symptom persists, ink matching with media may not be
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Contents Choose a poor image quality symptom that is similar to that of your print from below. Refer to the designated page. White lines on the print Go to page 3 Dark lines on the print Go to page 9 Stain on the print Go to page 4 Bleeding on the print Go to page 9
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White lines on the print [Basic image] Main symptoms White lines White lines pattern 1 pattern 2 Go to page Go to page 4 5 White lines White lines pattern 3 pattern 4 Go to page Go to page 6 7 White lines pattern 5 Go to page 8 33
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White lines on the print..." pattern 1" White lines White lines pattern 1 Cause – The media advance is not properly adjusted. Depending on the situation, perform a combination of the solutions below. Solution Solution Change the pressure force using the Pressure roller up/down lever. ( P.2-34 How to switch the pressure) Print the image and adjust the media advance value. ( P.4-32 Change during online printing) HINT Apply this solution when white lines appear at the same posit
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White lines on the print..." pattern 2" White lines White lines pattern 2 Cause – Clogged nozzles Follow the procedures below. Solution Solution Check that there is no dust on the platen, if any, remove it. Perform the daily maintenance and confirm that the symptom is ( P.4-3 Regular Inspection / Maintenance (Daily maintenance)) improved. Perform the Print head cleaning [NORMAL ALL]. Perform [NOZZLE PRINT] and confirm that the symptom is improved. ( P.4-19 Print head cleanin
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White lines on the print..." pattern 3" White lines White lines pattern 3 Cause – Matching with the media is not good. – The ink dries fast. Ink does not penetrate into the media. – Depending on the situation, perform a combination of the solutions below. Solution Solution Print in the image improvement [MEDIUM] or [HIGH]. ( P.3-34 IMAGE IMPROVEMENT) Print the media advance adjustment pattern and adjust the media ( P.4-28 Media advance value setting procedure) advance value.
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White lines on the print..." pattern 4" White lines White lines pattern 4 Cause – The media is slantingly advanced. Depending on the situation, perform a combination of the solutions below. Solution Solution Check that the media on the roll is straight. If is not, replace it. Media Media Sk Skew ew (windi (winding ng slippage) slippage) exampl example e Sag Sag example example Check that the media is traveling straight off the roll. If not, adjust the position of the flange holder or s
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White lines on the print..." pattern 5" White lines White lines pattern 5 Cause – The media is coated unevenly. SSolution olution Change to other media. 88
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Dark lines on the print [Basic image] Main symptoms Dark lines Dark lines pattern 1 pattern 2 Go to page Go to page 0 Dark lines Dark lines pattern 3 pattern 4 Refer to the solutions for Go to page White lines pattern 4. Go to page 7 Dark lines pattern 5 Go to page 3 99
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Dark lines on the print..." pattern 1" Dark lines Dark lines pattern 1 Cause – The area around the Print head is stained. Depending on the situation, perform a combination of the solutions below. Solution Solution 1. Select [RESEAT PRINTHEAD] on the operation panel and then clean P.4-16 Cleaning the Carriage base the surface of Carriage base. （ ） P.4-17 Clean the Head guard 2. Then clean the Head guard. （ ） ( P.2-44 Change the Print head height) Raise the height of Print head.
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Dark lines on the print..." pattern 2" Dark lines Dark lines pattern 2 Cause – Different order of ink colors due to bi-direction printing Depending on the situation, perform a combination of the solutions below. Solution Solution Print in the image improvement [MEDIUM] or [HIGH]. ( P.3-34 IMAGE IMPROVEMENT) ( P.3-26 PRINT DIRECTION) Print in the print direction [UNIDIR]. Set the print direction by the RIP software. In the RIP software setting, choose the mode for unidirectional pr
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Dark lines on the print..." pattern 3" Dark lines Dark lines pattern 3 Cause – The media advance is not properly adjusted. – The ink dries slowly. Depending on the situation, perform a combination of the solutions below. Solution Solution Print in the image improvement [MEDIUM] or [HIGH]. ( P.3-34 IMAGE IMPROVEMENT) Change the pressure force using the Pressure roller up/down lever. ( P.2-34 How to switch the pressure) Print the image and adjust the media advance value. （
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Dark lines on the print..." pattern 5" Dark lines Dark lines pattern 5 Cause – Ink does not penetrate into media due to its surface condition – The small error of the ink droplet position on the media Depending on the situation, perform a combination of the solutions below. SSolution olution Print in the image gradient [HIGHLIGHT2]. ( P.3-31 IMAGE GRADIENT) Change the print direction. ( P.3-26 PRINT DIRECTION) Change the print direction from [BIDIR] to [UNIDIR], or from [UNIDIR] t
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Stain on the print [Basic image] Main symptoms Stain pattern 1 Go to page 5 Stain pattern 2 Go to page 6 Stain pattern 3 Go to page 7 Stain pattern 4 Go to page 8 44
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Stain on the print..." pattern 1" Stain Stain pattern 1 Cause – Ink spray Depending on the situation, perform a combination of the solutions below. Solution Solution Print in the image gradient [HIGHLIGHT1] or[HIGHLIGHT2]. ( P.3-31 IMAGE GRADIENT) Check that the Print head height is at [NORMAL] and then confirm that ( P.2-44 Change the Print head height) the symptom is solved. Perform the daily maintenance and confirm that the symptom is improved. ( P.4-3 Regular Inspection / M
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Stain on the print..." pattern 2" Stain Stain pattern 2 Cause – Ink drooling Follow the procedures below. Solution Solution *Clean the media edge guards when ink accumulated on them. Check that no wrinkles or rising exists on the media or that the media is slantingly set. Set the media again. Refer to the solutions for White lines pattern 4. Check that the Print head height is at [HIGH] and then confirm that the ( P.2-44 Change the Print head height) symptom is improved. Perform
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Stain on the print..." pattern 3" Stain Stain pattern 3 Cause – Print head scratched by media (wrinkled media) Depending on the situation, perform a combination of the solutions below. Solution Solution Load the media again. Check that the head securing screws are not loosened. ( P.2-44 Change the Print head height) Raise the heater temperature. ( P.2-41 Changing temperature using the heater control menu) Be careful not to wrinkle the media. Raise the height of the Print h
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Stain on the print..." pattern 2" Stain Stain pattern 4 Cause – The left or right edge of media locates near the vacuum hole. P Pr rin int head t head Media edge guard Media Vacuum hole Platen Ink from the print head is drawn through the clearance. Solution Solution Shift the media so that the contact of edge of media on the platen to the media edge guard does not locate near the vacuum. Vacuum hole Vacuum hole NG OK Media Media HINT The above stain pattern is explained with yellow ink. D
