List of tables Table 1-1. HP color LaserJet 2550 series printer software ................................................9 Table 1-2. Physical specifications ....................................................................................15 Table 1-3. Supplies specifications ....................................................................................15 Table 1-4. Electrical specifications ...................................................................................15 Table 1-5. Environmental specifications ..........................................................................16 Table 1-6.
Acoustic emissions (HP color LaserJet 2550 series) .....................................16 Table 1-7. Tray 1 specifications .......................................................................................17 Table 1-8. Optional tray 2 specifications ..........................................................................18 Table 1-9. Optional tray 3 specifications ..........................................................................18 Table 2-1. Input tray configuration ....................................................................................37 Table 3-1.
Life expectancies of supplies ..........................................................................51 Table 4-1. Basic sequence of operation ...........................................................................70 Table 4-2. Motors and fans...............................................................................................73 Table 4-3. Photosensors and switches.............................................................................79 Table 4-4. Solenoid...........................................................................................................80 Table 4-5.
Clutches...........................................................................................................81 Table 4-6. Printed circuit assemblies................................................................................83 Table 6-1. Basic troubleshooting ....................................................................................169 Table 6-2. Control panel lights legend ...........................................................................176 Table 6-3. Supplies Status light messages ....................................................................177 Table 6-4.
Printer-status light messages ........................................................................182 Table 6-5. Attention light messages, unnumbered.........................................................184 Table 6-6. Attention light messages, numbered..............................................................185 Table 6-7. Accessory error light messages.....................................................................186 Table 6-8. Service error light messages.........................................................................186 Table 6-9. Additional error messages.............................................................................189 Table 6-10.
Solving general printing problems .................................................................207 Table 6-11. Problems in the Chooser ..............................................................................213 Table 6-12. Printing Errors ...............................................................................................214 Table 6-13. USB Problems ...............................................................................................215 Table 6-14. Repetitive image defects................................................................................227 Table 7-1.
Technical support Web sites .........................................................................238 Table 7-2. Accessories ...................................................................................................239 Table 7-3. Covers ...........................................................................................................245 Table 7-4. Front frame assembly ...................................................................................247 Table 7-5. Internal components (1 of 2) .........................................................................251 Table 7-6.
Internal components (2 of 2) .........................................................................253 Table 7-7. Main drive assembly......................................................................................255 Table 7-8. Rear frame assembly ....................................................................................257 Table 7-9. Middle frame assembly .................................................................................259 Table 7-10. Rotary assembly ...........................................................................................263 Table 7-11.
Power-supply base assembly .......................................................................265 Table 7-12. Rotary-drive assembly ..................................................................................267 Table 7-13. PCA assemblies ............................................................................................269 Table 7-14. Alphabetical parts list.....................................................................................270 Table 7-15. Numerical parts list.........................................................................................278 ENWW ix