• Code: 37.xx
• Description: Insufficient memory, some held jobs were lost
• Remedy: Model X646e only. The MFP depletes its memory while it attempts to restore held jobs. The message appears once. Some held jobs are not restored. They stay on the hard disk and are inaccessible.

• Code: 37.xx
• Description: Insufficient memory, some Held Jobs were lost
• Remedy: Held jobs are deleted in order to process the current job. The message appears once per job. Touch Continue to clear the message and continue printing. To avoid this error in the future for other jobs, install more memory. Touch Cancel Job to cancel the current job if needed.

• Code: 38.xx
• Description: Memory full
• Remedy: The MFP is processing data, but the memory used to store pages is full. To avoid this error in the future: Simplify the print job by reducing the amount of text or graphics on a page and deleting unnecessary downloaded fonts or macros. Install additional memory. Touch Cancel Job to cancel the current job if needed. Touch Reset Active Bin to change to another linked bin.

• Code: 39.xx
• Description: Page is too complex to print
• Remedy: The page may not print correctly because the print information on the page is too complex. To avoid this error in the future: Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary downloaded fonts or macros. Set Page Protect to On in the Setup Menu in the Settings menu. Install additional memory. Touch Cancel Job to cancel the current job if needed. Touch Reset Active Bin to change to another linked bin.

• Code: 42.xy
• Description: Printer/cartridge mismatch
• Remedy: Cartridge region code does not match MFP region code. x=printer region and y=cartridge region. The following regions may be listed: 0 Worldwide 1 USA and Canada 2 Europe, Middle East, and Africa 3 Asia 4 Latin America 9 Undefined region

• Code: 50.xx
• Description: PPDS font error
• Remedy: The MFP has received a request for a font that is not installed when formatting PPDS print data. Touch Continue to clear the message and continue printing the current job. Touch Cancel Job to cancel the current job if needed. Touch Reset Active Bin to change to another linked bin.

• Code: 51.xx
• Description: Defective flash detected
• Remedy: The MFP detects a defective flash memory during power-on or during flash format and write operations. Touch Continue to clear the message and continue printing the current job. At power-on reset, touch Continue to clear the message and the MFP continues with normal operations except for flash operations. Install different flash memory to be able to download any resources to flash.

• Code: 52.xx
• Description: Not enough free space in flash memory for resources
• Remedy: There is not enough space in the flash memory to store the data currently being downloaded. Touch Continue to clear the message and continue the print job. Install flash memory with more storage capacity. Download the data. Touch Cancel Job to cancel the current job if needed. Touch Reset Active Bin to change to another linked bin.