HP Printer Repair Denver, CO

Problem: HP LaserJet Pro 500 Color MFP M570dn producing vertical lines down every printed page at approximately 61,674 page count.

Solution: Inspection revealed a gummy residue running down the center of the intermediate transfer belt and onto the fuser heat roller — consistent with envelope printing contamination. The fuser was cleaned; the transfer belt, previously replaced for the same issue, required full replacement (ITU CC468-67927

Problem: HP LaserJet MFP M635 reported intermittent noise along with fax, print, and scan irregularities. Tray 3 was producing corner folds on output and print registration was off-center.

Solution: Technician could not reproduce the reported noise; customer indicated it had occurred on three consecutive days prior to the visit. Diagnosed tray 3 corner folding and misaligned print registration. Paper Pickup Assembly (RM2-0892) and Registration Assembly (RM2-6774) identified for replacement unde

Problem: HP Color LaserJet M479fdw reported repeating ghost images appearing on printed pages.

Solution: Diagnosed repeating image defect as a fuser fault. Replaced the duplex fuser (RM2-6460-000CN) and tested output to confirm clean, artifact-free prints.

Problem: HP Color LaserJet MFP M477 reported ADF skewing and jamming during scans and copies, plus envelope print jobs requiring manual OK confirmation on each pass.

Solution: Replaced ADF pickup roller (B3Q10-60105), ADF separation pad (B3Q10-40080), and Tray 2 pickup, feed, and separation rollers (RM2-5576, RM2-5577, RM2-5881). Corrected copy source from Auto Select to Tray 2 to resolve single-page output issue. Reconfigured Tray 1 from Envelope #10 to Any Type/Any Size

Problem: HP LaserJet Managed E60155dn producing large streaks along the side of printed pages.

Solution: Toner cartridge was replaced and cleaning attempted with no improvement. A maintenance kit (L0H24A) was then installed, the page-count meter was reset, and spare rollers were left with the customer. Print quality verified after service.

Problem: HP LaserJet MFP M527 producing ghosted images on prints with no error code displayed.

Solution: Diagnosed ghosting to a failing fuser and pickup rollers with flat spots. Replaced the fuser (FM1-V151-000) and tray rollers (RM2-5741, RM2-5745, FM1-W154-000, RM2-2585-000, RM2-5679-000CN). Imaging glass cleaned and new toner installed. Unit tested and confirmed print quality restored.

Problem: HP LaserJet MFP M428fdn reported persistent paper feed failures across multiple trays.

Solution: Inspection revealed Tray 2 broken in multiple locations, Tray 3 guides causing corner folds, and worn feed rollers throughout. Tray 3 was enabled as the primary tray with guide adjustments; printer restored to operation. Scanner glass cleaned of paint contamination. Corner fold issue noted as ongoin

Problem: HP DesignJet Z6100 wide-format plotter in Englewood, CO required a replacement drive belt.

Solution: Replacement drive belt sourced and shipped to the customer's location. Part delivered via FedEx Ground; work order closed upon confirmed receipt.

Problem: HP LaserJet MFP M634 brought in for preventive maintenance. The device sees heavy daily use and the customer wanted to ensure it remained in peak operating condition.

Solution: Performed preventive maintenance on the HP LaserJet MFP M634. Thoroughly cleaned internal components. No parts required. Unit tested and confirmed operating like new.