To Users of LBP120 and MF270 Series Laser Printers
To Users of LBP120 and MF270 Series Laser Printers
Thank you for your continued trust in Canon products.
We have identified an issue in which newly installed laser printers may unexpectedly shut down during printing.
Affected models
Printers with serial numbers within the ranges listed below may be affected.
Please be assured that not all printers within these serial number ranges will experience the issue.
| Model | Serial number |
| LBP121DN | NYTA048998 to NYTA049275 |
| LBP121DN II | PMNA002073 to PMNA002144 PMNA002157 to PMNA002201 |
| LBP122DW | NYNA046648 to NYNA046712
NYNA046803 to NYNA049425 |
| LBP122DW II | PMEA002073 to PMEA002126 PMEA002138 |
| MF271DN | 37B04401 to 37B04420 37L27882 to 37L27896 37L27902 to 37L27909 37L27972 to 37L28635 37L28648 to 37L28677 37L29181 to 37L30281 |
| MF272DW | 36T07681 to 36T07720 36U40027 to 36U41825 36U41827 to 36U41830 36U41832 to 36U41940 36U41942 to 36U43986 |
| MF274DN | 36L12809 to 36L13087 36L13092 36L13174 to 36L13208 36L13523 36L13527 to 36L13530 36L13534 to 36L13535 36L13539 to 36L13568 36L13601 to 36L13602 36L13609 to 36L13628 36L13649 36L13776 36L14000 |
| MF275DW | 36E34823 to 36E35670 |
Location of serial number
The serial number can be found at the back of the printer.

Support
Please contact your nearest service centre if you encountered this issue or have further queries.
Canon continuously strives to provide our customers with high-quality, reliable products. We apologise for any inconvenience caused and seek your understanding.
First posted on 12 October 2026