| Phenomenon classification | Phenomenon |
|---|
| Print quality related trouble | Problem Phenomenon related to print quality of the printer. |
| Trouble on paper feeding/ejecting Problem Phenomenon related to paper ejection | Problem Phenomenon related to paper ejection of the printer. |
| Other troubles | Problem Phenomenon related to other troubles of the printer. |
| Service Program related trouble | Problem Phenomenon related to Service Program. |
| NVRAM Viewer related trouble | Problem Phenomenon related to NVRAM Viewer |
| Scanner related trouble | Problem Phenomenon related to scanner |
