HP M5025 - LaserJet MFP B/W Laser - Page 199

2. When the alignment operation is started, the staple stacker driver turns the separation solenoid
(SL2102) ON and shifts the leading-end alignment roller to the alignment position.
<Waiting position> <Alignment position>
Paper
Paper
Leading end alignment roller
Leading end alignment roller
Guide
Guide
Figure 4-59 Paper pile alignment control process (1 of 2)
3. At the same time, the staple stacker driver reverses the motor (M2102) and rotates the leading-
end alignment roller for specified time. This allows the paper to be pushed against the guide wall.
Paper
Leading end alignment roller
Guide
Figure 4-60 Paper pile alignment control process (2 of 2)
4. The staple stacker driver turns the solenoid (SL2102) OFF and the leading-end alignment roller
stops at the waiting position after it has rotated for the specified time.
5. Steps 2–4 are applied to the next paper to ensure alignment of the paper stack.
Jogger control
The jogger control aligns both sides of the paper pile. The staple stacker driver PCB controls the jogger
motor (M2100) and shifts the jogger guide.
ENWW Stapler/stacker component 169