HP LaserJet 5L Service Manual - Page 63
Image Formation System
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Figure 5-4 Image Formation System Laser printing requires the interaction of several different technologies (such as electronics, optics, and electrophotographics) to provide a printed page. Each process functions independently and must be coordinated with the other printer processes. Image formation consists of six processes: • Step 1. Drum Cleaning • Step 2. Drum Conditioning • Step 3. Image Writing • Step 4. Image Developing • Step 5. Image Transferring • Step 6. Image Fusing Electrostatic Latent Image Formation Block 2. Scanning Exposure Flow Of Paper Direction Of Drum Rotation Manual Feeding Slot Multi-Purpose Tray 1. Primary Charging 3. Developing Developing Block Drum Cleaning Block 7. Drum Cleaning Paper Delivery Fuser Block 6. Fusing 5. Separation 4. Transfer Transfer Block Registration Image Formation Block Diagram 5 - 12 Functional Overview