![Print Quality Problem - Hollow print](/g/b/img/faqend/faq00000011_029/th/en/21812/HollowPrint.jpg)
Please check the following points to solve the problem:
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Make sure that you use paper that meets our specifications.
Please refer to FAQs, "What kind of paper can I use? " and "What is the recommended paper?".
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Choose Thick Paper mode in the printer driver.
Or use thinner paper than what you are now using.
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Check the machine's environment. Conditions such as high humidity can cause hollow print.
Please refer to Safety and Legal pages in User's Guide.
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The drum unit may be damaged. Put in a new drum unit.
Please refer to the instructions, "REPLACE DRUM".