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Preflight Inspection-Common Problems in Output
time:
2021/01/11
Source:
Greater China Printing Network]
1. Wrong or missing characters
2. Image overcolor problem
3. Binding problem
4. The file is incomplete or does not work
5. The size of EPS and TIFF files in the whole page orchestration program is too large
6, small color area is not converted to the correct color mode
7. File format (may cause output confusion)
8. TIFF files have not been converted from red, green and blue mode to yellow, green and black four-color mode
9. Insufficient bleeding
10. The original used storage medium is not formatted.
Have you encountered any of the above problems? The following are some of the situations summarized by Anmei Mall.
1. whether the characters used in printing are marked
should indicate the name, version, number, and font (TrueType or Postscript) of all characters, making sure that you are using the actual characters from the character menu (e. g. GaramondBold) and not a style such as & ldquo; Bold & rdquo; from the style menu. At the same time, the pre-press service provider or printer should be consulted about the requirements for character documents. In some RIPs, mutual interference between TrueType and Type1Postscript characters causes character substitution and string bits.
2. whether all colors have been converted from red, green and blue to yellow, green and black
If your electronic file does not convert the image to the yellow pinon blue black mode, then the printed image may be black and white or there is an unacceptable color cast. Remember that all colors are named in the file, and the image colors designed and introduced in the image processing program should also be guaranteed to use the same name exactly.
Unless you plan to print small patches or common colors with spot ink, be sure to use the yellow, green and black setting mode for all colors. As long as the full page layout program allows, small color block areas should also be converted to color mode.
Whether the 3. can print bleeding when needed
Ammer Mall found that it should be confirmed that all bleeding printing was extended to the edge of the page number as required by the printer. It is very convenient to realize image bleeding in a full page layout program, but it is relatively time-consuming and expensive to print.
4. whether the original proofing of the document has been considered
A black and white laser printout or color proofs of the final document shall be delivered. If the document is delivered to the printing service provider via telephone line and modem, be sure to fax the laser print sample or deliver the sample sample at the same time. To confirm that the proofs were obtained from the same electronic document that was delivered to the printing service or printer.
If the page is too large to print the original large sample with the same size as the actual size, be sure to mark the reduced scale on the sample. Color prints should be printed on a laser printer with color separation proofs (in black and white). In addition to providing color proofs to printers, color separation proofs should also be provided, making sure that each color separation proof is correctly marked. And check the color separation sample color separation is correct and the color number of color separation. If black-and-white proofs are provided, the sections printed in different colors shall be clearly marked.
5. whether all precautions are marked
Name, address and contact number shall be clearly stated on diskettes, portable media, printed proofs and proofs. In short, there should be a conspicuous mark on all documents or media delivered to the printing service or printer. At the same time, you should send a list of all documents or media you have transferred to the printing service or printer.
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Head office: Guangzhou Guangcai Label Co., Ltd.
Address (Add): No.2, Wei Da Lu, Dazhou Village, Shibi Street, Panyu District, Guangzhou
Foshan Branch: Guangdong Guangcai Label Co., Ltd
Address (Add): 8th Floor, Building 15, Haichuang Dazu Robot Manufacturing Center, No. 3 Erzhi Industrial Avenue, Xihai Village, Beijiao Town, Shunde District, Foshan City
Shanghai Branch: Guangcai Label (Shanghai) Co., Ltd.
Address of Shanghai Branch (Add): Building 4, 626 Baoyuan Fifth Road, Jiading District, Shanghai
Jiangxi Branch: Guangcai Label (Jiangxi) Co., Ltd
Jiangxi Branch Address (Add): Within the Pharmaceutical and Chemical Industry Base of Tianfan Street Industrial Park, Poyang County, Shangrao City, Jiangxi Province
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