There can be various reasons why a raw paper cutting machine may not work properly. Some of the most common reasons are listed below:

1. Faulty Power Supply: A raw paper cutting machine requires a steady and uninterrupted power supply to operate efficiently. Any fluctuations or interruptions in the power supply can cause the machine to malfunction.

2. Dull or Damaged Blades: The blades of a raw paper cutting machine need to be sharp to cut through large stacks of raw paper effectively. If the blades are dull or damaged, the machine may fail to cut the paper properly.

3. Poor Maintenance: A raw paper cutting machine requires regular maintenance to keep it in top working condition. A lack of regular maintenance can cause various parts of the machine to wear out or malfunction over time.

4. Improper Use: Raw paper cutting machines are designed to operate within certain parameters, and any use beyond these limits can cause the machine to malfunction. For instance, if the machine is overloaded with more paper than it can handle, it may break down.

5. Computer Malfunctions: Some raw paper cutting machines rely on computer systems to operate effectively. Any issues with the computer system, such as software malfunctions or virus attacks, can cause the machine to malfunction.

In conclusion, there can be various reasons why a raw paper cutting machine may not work properly. Some of the most common reasons include faulty power supply, dull or damaged blades, poor maintenance, improper use, and computer malfunctions. It is important to identify the root cause of the problem and take appropriate steps to fix it in a timely manner. This can help to minimize downtime and ensure that the machine operates efficiently.