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1. The printer controls the fuser heater temperature and drives the scanner motor upon
receipt of a print command from the formatter.
2. When the fuser heater reaches a specified temperature, it drives the feed motor (M1).
3. The solenoid at each paper pickup source is turned on after a specified period from the
scanner motor drive start.
● Tray 1 (multipurpose tray): Tray 1 solenoid (SL1)
● Tray 2 (cassette): Tray 2 pickup solenoid (SL2)
As each pickup solenoid is turned on, each pick up roller rotates and picks up paper.
The separation pad prevents the double feeding of paper.
As the registration clutch (CL1) is turned on at the same time as solenoids, both the
registration roller and the feed roller rotate the paper fed to the registration roller.
4. When the scanner is ready, the drum motor (M3) drives and rotates the ITB.
5. After a specified period since the drum motor (M3) drive start, the secondary transfer
roller engaging solenoid (SL4) is turned on and pushes the secondary transfer roller
against the ITB to rotate the roller. (See
Secondary transfer roller engaging/disengaging
control for details)
6. The registration shutter corrects the skew of the paper at the registration roller.
7. When the paper is detected by the registration paper sensor (PS4) after passing the
registration roller, the registration clutch (CL1) is turned off and stops the paper.
8. When the paper end reaches the edge of the image on the ITB, the registration clutch
(CL1) is turned on. This allows the paper to be fed.
The feeding speed changes based on the media specified by the formatter. (See
Paper
feeder for details)
ENWW Pickup/feed system 185