Part 4: Technical Reference |
3.5.2 Paper feed/sheet feeder mechanism structure
The sheet feeder of the
The print media is loaded into the sheet feeder with the two points of the leading edge and the left corner picked up by the pickup corners and pickup hooks. When the drive from the paper feed motor is transferred to the sheet feeder gear, the pickup roller turns and the printer starts printing.
Print media such as plain paper are fed while pressed against the pickup corners and pickup hooks and fed into the paper feed mechanism. When feeding stiffer materials such as envelopes, the rigidity of the paper is sufficient that the pickup hooks and pickup corners are pressed down and the material can be fed.
The initial position of the pickup roller is determined by the pickup roller sensor (photointerrupter) on the logic board sensing the flag.
When the print media is detected by the paper end sensor, it is automatically fed to the
Because manually fed print media are fed through a different path than media automatically fed from the sheet feeder, print media can be manually fed even when media are loaded in the sheet feeder.
Print media that has been fed to the paper feed mechanism are fed to the
Pickup Roller | Print Media |
Pickup Guide | Pickup Fook |
|
Pickup Corner |
| |
Media Loaded | Manual Feed | |
Plain Paper Feed | Envelope Feed |
