HP LaserJet/Laser 9050 Printer Repair Common Codes

HP LaserJet 9050 Printer Repair Manual   

List of Contents HP LaserJet 9050 Printer

Table 2. Features of the HP LaserJet 9050 Series printers . . . . . . . . . . . . . . . . . 4
Table 3. Configuration comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5. Electrical specifications (HP LaserJet 9000) . . . . . . . . . . . . . . . . . . . . . 7
Table 6. Electrical specifications (HP LaserJet 9050) . . . . . . . . . . . . . . . . . . . . . 8
Table 7. Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 8. Noise-level specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 9. Paper weight equivalence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 10. Control-panel button functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 11. Printer state and numeric key effect . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 12. Storing print cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 13. Normal sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 14. Failure sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 15. Pickup-and-feed system sensors and switches . . . . . . . . . . . . . . . . . 90
Table 16. Pickup-and-feed system motors and solenoids . . . . . . . . . . . . . . . . . 92
Table 17. Primary steps for troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Table 18. Power-on defects or a blank display . . . . . . . . . . . . . . . . . . . . . . . . 174
Table 19. Alphabetic error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Table 20. Numeric error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Table 21. Service test abnormality codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Table 22. Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Table 23. DIP switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Table 24. Tray 4 light-pattern interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Table 25. General jam troubleshooting questions . . . . . . . . . . . . . . . . . . . . . . 224
Table 26. Printer devices troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Table 27. Image-quality checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Table 28. Image defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Table 29. Consumables, supplies, accessories, FRUs, and documentation . 257
Table 30. Hardware table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Table 31. Common torque values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Table 32. Printer external covers and panels . . . . . . . . . . . . . . . . . . . . . . . . . 262
Table 33. Left door and diverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Table 34. Right cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Table 35. Internal components (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Table 36. Internal components (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Table 37. Internal components (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Table 38. Internal components (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Table 39. Drum feed drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Table 40. Fuser delivery drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Table 41. Cartridge lifter assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Table 42. 500-sheet trays (tray 2 and tray 3) . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Table 43. Paper input unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Table 44. Registration assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Table 45. Transfer roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Table 46. Delivery assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Table 47. PCA location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Table 48. Tray 4 main body (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

HP LaserJet 9050 Printer Overview

On-site HP Laserjet 9050 printer service and repair

The hp Laserjet 9050 has the power and versatility to meet even the most demanding of print environments.  With its beefed up 533mzh processor RIP-once technology, and HP FastRes 1200 printing technology, the hp laserjet 9050 has the ability to create print jobs at a true engine speed of 50 pages per minute.  The laserjet 9050 is proudly known as the workhorse of the hp laserjet printer series. 

HP Laserjet 9050 printer repair and service has been a part of Laserzone’s repertoire for a number of years.  Though the HP laserjet 9050 is known as one of the sturdiest printers around it will require routine service and maintenance.  One of the aspects that make the hp laserjet 9050 printer repair so desirable from a technical standpoint are its module components.  Every hp laserjet has wearable components, but the engineering of the hp laserjet 9050 makes it one of the most serviceable hp devices out there.  The most common parts needing repair and service are the hp laserjet 9050 fuser assembly, the hp laserjet 9050 feed rollers and the hp laserjet 9050 input unit.  These parts are easily accessible which reduce the time it takes to fix for a certified hp laserjet 9000 trained service and repair technician.  Parts are always available and Laserzone goes as far to keep a healthy stock of those parts so repairs can be performed in a timely fashion.

On-Site HP Certified laserjet 9050 printer repair and service technicians

As with any printer that HP introduces to the marketplace, Laserzone technicians are required to participate in training that will allow them to become HP certified and authorized hp laserjet 9050 repair and service technicians.  Our training process at our hp laserjet 9050 service center guides each technician through the process of identifying each component, the disassembly of those components, as well as the error codes and related fix solutions.  The most common repair parts from the hp laserjet 9050 are the hp laserjet 9050 fuser assembly, the laserjet 9050 maintenance kit, the hp laserjet 9050 pickup unit, and the hp laserjet 9050 feed roller assembly.  Though those parts are most commonly replaced, what separates our hp laserjet 9050 repair technicians from the rest is the ability to repair and fix the not so common problems.  Our in-depth training and complete hp laserjet 9050 parts stock guarantees first time fix rates from all of our certified technicians.