HP Printer Repair Gaithersburg, MD

Problem: Customer required a new HP LaserJet M404dn and an additional paper tray to expand print capacity at their Potomac, MD location.

Solution: Sourced and delivered a new HP LaserJet M404dn along with a compatible extra paper tray to the customer's facility.

Problem: HP LaserJet M402dne warehouse unit was due for its third scheduled preventive maintenance service, with feed rollers flagged for replacement.

Solution: Replaced tray 2 pickup roller assembly and tray 2 separation roller assembly. Technician sourced a compatible roller from an M501 separation roller assembly and fitted it into the existing M402 housing. Cleaned and tested printer to confirm reliable feed performance.

Problem: HP LaserJet M604 reported persistent paper jams originating from Tray 2. Investigation revealed folded paper in the tray cassette creating a bind during the lift cycle, compounded by worn pickup and feed rollers.

Solution: Cleared the jam, removed and correctly loaded the folded media, replaced the Tray 2 pickup roller and both Tray 2 feed rollers, then cleaned and tested the printer to confirm reliable paper feed.

Problem: HP LaserJet 2430dtn experiencing paper jams at the output stage, with sheets consistently getting caught in one corner on exit.

Solution: Technician inspected the HP LaserJet 2430dtn and identified extensive wear throughout the paper path, including the fuser assembly (RM1-1535), fuser gear kit (K24XX), Tray 2 and 3 pickup rollers (RL1-0540 / RL1-0542), and Tray 2 and 3 separation pads (RM1-1298). Given the scope of required repairs,

Problem: HP LaserJet M404dn unable to connect to the network.

Solution: Diagnosed failed formatter board as the root cause. Ordered and installed a replacement formatter (W1A53-60001). Performed a follow-up visit to complete network configuration and verify full connectivity. Printer tested operational.

Problem: Not recognizing paper in tray, ADF is pulling multiple sheets at a time

Solution: HP LJ M4555 MFP, S/N MXFCG7K2F5, PG CT 241444 - Not recognizing paper in tray, ADF is pulling multiple sheets at a time 3/1/19.. The issues with paper trays 2,3,4&5 were that the cassette paper size guides were not set to the letter setting, causing the printer to see each paper tray having custom size paper in them. As soon as I properly adjusted each cassette tray, it printed great, but all rollers are slick, so I will have Ashley give customer a repair quote for: 4-pickup rollers, 8-feed rollers, and an ADF Maintenance kit (Includes ADF Pickup roller assy & ADF Sep pad). New customer, cc on file - want to pay when they receive the invoice Quoted $105 plus $12 trip Please call Cammie with an ETA 3/1 - Quote sent to Cammie # 4595 3/8/19.. I replaced 4-pickup rollers, 8-feed rollers, 1-ADF Maintenance kit, cleaned and tested printer. 3/5 - Part ordered (CE248A) shipping ground to Cola office PO# 71391, Lee has remaining parts in stock. Tracking: 785851615136

Problem: HP LaserJet M608 was tearing pages during the print cycle, indicating worn feed roller components in Tray 2.

Solution: Replaced the Tray 2 Roller Kit on the HP LaserJet M608 (page count: 23,144) and tested feed operation to confirm clean, tear-free output.

Problem: HP Color LaserJet Pro M452dn reported an unlocatable paper jam and a detached component.

Solution: Detached component identified as a fuser star roller — cosmetic loss with no functional impact. Paper jam located and cleared from the fuser assembly. Covers removed during access revealed the paper tray set to A4, causing feed timing errors and the jam. On power-up, a supply memory error appeared w

Problem: HP LaserJet Enterprise MFP M630 reported recurring ADF jams by multiple users.

Solution: Technician found tape debris lodged in the ADF rollers, removed the obstruction, cleaned the rollers, reset roller counts, and calibrated the scanner. ADF tested clear with no further jams.