HP Printer Repair Arlington, VA

Problem: HP Color LaserJet M651 producing streaks and lines across printed pages.

Solution: Cleaned the machine and identified the intermediate transfer belt (ITB) as the source of streaking. Noted worn feed rollers in Trays 2 and 3. Returned to replace the ITB kit (CE249A); tested the printer and confirmed clean output.

Problem: An HP LaserJet 4250 in Annapolis, MD was not being recognized by the connected computer, preventing the user from printing.

Solution: Diagnostics pointed to a faulty port on the customer's side. Once the bad port was identified and addressed, the printer was detected and printing resumed normally.

Problem: HP LaserJet M605 would not duplex when printing from a workstation.

Solution: Confirmed the printer itself was functioning by running duplex internal test prints. Updated firmware and installed a new driver downloaded directly from HP; duplex printing from Word was restored. Two rollers were also replaced. The root cause was traced to a driver/software configuration issue on

Problem: HP Color LaserJet CP4525 reporting error code 59.F0, indicating an intermediate transfer belt (ITB) motor or rotation fault.

Solution: Inspected the ITB, confirming approximately 50% remaining life. Cleaned the machine and cleared the error. No replacement required at this time; ITB replacement recommended if the 59.F0 code recurs.

Problem: HP Color LaserJet CM6040 MFP required transfer belt installation; fuser was also found at 8% remaining life during servicing.

Solution: Technician installed the customer-supplied transfer belt, then identified the fuser at critical end-of-life and installed an on-site replacement fuser with customer authorization. ADF feed roller kit and separation pad showed wear but remained functional. Machine was cleaned and tested; supply statu

Problem: HP LaserJet 500 M521dn ADF failing to pick up paper, preventing document scanning and copying from the automatic document feeder.

Solution: Cleaned the machine, then replaced the ADF roller kit (A8P79-65001), ADF separation pad assembly (A8P79-65010), Tray 2 pickup roller assembly (RM1-0731-050), and Tray 2 separation pad assembly (RM1-6303-000). ADF paper feed confirmed operational after testing.

Problem: Customer purchased a new HP LaserJet Enterprise M635h and required network setup, fax accessory installation, and full functionality testing.

Solution: Installed the analog fax accessory on the HP LaserJet Enterprise M635h, configured fax operation on the copier line, coordinated with on-site IT to integrate the printer into the network, then verified print, copy, and fax functions.

Problem: HP LaserJet M404dn would not print, displaying an error prompting paper to be loaded in the tray despite paper being present.

Solution: Replaced the Tray 3 pickup roller assembly and Tray 3 separation roller assembly. Tray 2 rollers were inspected and found in acceptable condition; no replacement required. Printer cleaned and tested.

Problem: HP Color LaserJet 5550dtn producing copies with multiple color lines across the page.

Solution: Diagnosed lines to a failing transfer belt. Replaced the transfer kit (C9734B) and two toner cartridges, then performed short and long calibrations to restore accurate color output.