HP — HP Color LaserJet 2550 Service Manual EN (EN)

Figure 6-1. Control panel lights .......................................................................................176 Figure 6-2. Manually rotating the print-cartridge carousel ...............................................217 Figure 6-3. Location of the engine-test switch .................................................................218 Figure 6-4. Print cartridge high-voltage connection points ..............................................219 Figure 6-5. Overriding SW301 and the laser/scanner switch ..........................................220 Figure 6-6. General timing chart--WAIT period ...............................................................228 Figure 6-7.

General timing chart--one page, full-color, normal speed ............................229 Figure 6-8. Locations of printer connectors (1 of 3) ........................................................230 Figure 6-9. Locations of printer connectors (2 of 3) ........................................................231 Figure 6-10. Locations of printer connectors (3 of 3) ........................................................231 Figure 6-11. Locations of 250-sheet tray connectors ........................................................232 Figure 6-12. Locations of 500-sheet tray connectors ........................................................232 Figure 6-13.

Dc controller connections ..............................................................................233 Figure 6-14. Main wiring (1 of 2) ........................................................................................234 Figure 6-15. Main wiring (2 of 2) ........................................................................................235 Figure 7-1. Covers............................................................................................................244 Figure 7-2. Front frame assembly ...................................................................................246 Figure 7-3.

Internal components (1 of 2)..........................................................................250 Figure 7-4. Internal components (2 of 2) .........................................................................252 Figure 7-5. Main drive assembly .....................................................................................254 Figure 7-6. Rear frame assembly ....................................................................................256 Figure 7-7. Middle frame assembly .................................................................................258 Figure 7-8.

Rotary (carousel) assembly ..........................................................................262 Figure 7-9. Power-supply base assembly .......................................................................264 Figure 7-10. Rotary-drive assembly ..................................................................................266 Figure 7-11. PCA assemblies ............................................................................................268 ENWW xiii