1. Scale

The blue paper size should be the same as the customer's requirement (error ±1mm)

2. Cover

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The ISBN should be combined with the cover/text, scan the cover/seal barcode to confirm that it is correct

1. General hardcover book cover edge is 15mm, hardcover book cover edge with sponge 18mm.

2. The price on the cover should be the same on the back cover.

3. The title and author appearing on the cover and cover of the same book must be the same.

4. For books with multiple editions and languages, the title of the book should be corrected.

3. Correction of the copyright page (publisher, address, ISBN, place of origin)

Fourth, the text

1. Whether the page number sequence is correct, whether the front and back page numbers and headers are aligned.

2. The position of the spread map/page number should be the same. Pay special attention to the spread of the text and the cover or backing paper.

3. The bleeding position reaches 3mm.

4. Pay attention to whether there are garbled characters, double images, word pressure pictures, double lines, missing characters, and corner lines.

3. The word/logo/page number should be at least 3mm away from the cut.

4. When there is a beer line, the word/logo cannot be inside the beer line, and there is a beer line on the front and back. Check whether the set is accurate.

5. Whether the content contains maps of China, national political figures, religions, etc.

6. Any revision of the document, the revised blue paper must be combined with the electronic document.