Brother International MFC-9340CDW Users Manual - English - Page 151
Colored spots at 3.7 in. 94 mm, Toner scatter or toner stain, Examples of poor print quality
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Troubleshooting Examples of poor print quality 3.7 in. (94 mm) ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. 3.7 in. (94 mm) Colored spots at 3.7 in. (94 mm) 0.9 in. (24 mm) 0.9 in. (24 mm) ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. Recommendation If the problem is not solved after printing a few blank pages, foreign material, such as glue from a label, may be stuck on the drum surface. Clean the drum unit (see Advanced User's Guide: Cleaning the drum unit). Identify the color causing the problem and install a new drum unit (see Replacing the drum units on page 86). To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Identify the color causing the problem and put in a new toner cartridge (see Replacing the toner cartridges on page 76). To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Colored spots at 0.9 in. (24 mm) ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. Toner scatter or toner stain Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality problem. Identify the color causing the problem and put in a new toner cartridge (see Replacing the toner cartridges on page 76). To identify the color of the toner cartridge, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. Identify the color causing the problem and install a new drum unit (see Replacing the drum units on page 86). To identify the color of the drum unit, visit us at http://solutions.brother.com/ to view our FAQs and troubleshooting tips. B 137