Service History — Boulder, CO — Page 3

Problem: Newly purchased HP Color LaserJet MFP M578c required installation, network configuration, and scan-to-email setup at a Denver office undergoing simultaneous PC and network infrastructure upgrades.

Solution: Technician completed initial MFP setup and configured scan-to-USB as an interim workflow while PC and network installation was pending. On follow-up visit, confirmed print functionality was operational. Scan-to-email setup required POP3/SMTP credentials, port number, destination email address, MFP I

Problem: A Lexmark MS821 laser printer was due for scheduled maintenance, requiring a full maintenance kit replacement to restore reliable print quality.

Solution: Maintenance kit sourced and ordered for the Lexmark MS821; part shipped ground to the customer's location to complete the scheduled service interval.

Problem: Brighton, CO business needed to procure multiple new laser printers with expanded paper handling capacity.

Solution: Sourced and arranged delivery of three HP Color LaserJet Enterprise M555dn units, each configured with additional media trays to meet the customer's high-volume printing demands.

Problem: HP LaserJet P3015 in Fort Collins reported recurring paper jams originating from the toner cartridge bay.

Solution: Identified a faulty toner cartridge as the jam source. Removed the retaining flap on the third cartridge slot — a non-standard modification found across all cartridge positions — and replaced the defective cartridge. Tested multiple print cycles with no further jams.

Problem: HP LaserJet M606 in Broomfield required a fuser assembly and roller replacements to restore reliable paper feed and output quality.

Solution: Delivered a replacement fuser assembly, three pickup rollers, and six feed rollers to the customer site for the HP LaserJet M606.

Problem: HP Color LaserJet Managed MFP E47528 (M480f) unable to print wirelessly after installation of an external wireless adapter.

Solution: Technician connected the printer via Ethernet to an available router port, obtaining a valid IP address. Corrected WSD driver installations across all three workstations, installed Adobe Reader where missing, and configured scan-to-email on each user's laptop.

Problem: HP LaserJet MFP M528 producing horizontal lines across scanned documents and copies.

Solution: Cleaned the scanner glass, performed a scanner calibration, and inspected feed rollers. Verified output quality with test copies and scans.

Problem: HP LaserJet M631 producing vertical lines down the page and excessively dark print output on all copies and prints.

Solution: Cleaned ADF slit glass, which improved copy quality but did not eliminate the repeating defect. Inspected toner cartridge, drum, fuser, transfer roller, and paper path — no visible damage found. Installing a replacement toner cartridge resolved the defect. The faulty cartridge was warrantied out by

Problem: HP Color LaserJet MFP M476dw intermittently displayed as offline, preventing the customer from sending print jobs.

Solution: Technician resolved the offline status by removing the existing printer driver and installing a fresh driver instance. After reloading, the M476dw returned to online status and resumed normal print operation.

Problem: HP Color LaserJet CP4025 displaying error 41.3.00 paper size mismatch when printing envelopes via manual feed; Tray 2 and Tray 3 feed rollers were worn.

Solution: Set Tray 1 (MP Tray) paper size to 'Any Size' to resolve the 41.3.00 mismatch error on envelope jobs. Replaced worn feed rollers in Tray 2 and Tray 3, then cleaned and tested the printer.

Problem: HP LaserJet 600 M602 reported persistent paper jamming in a Longmont, CO office.

Solution: Installed a maintenance kit on the HP LaserJet 600 M602, reset the maintenance counter, then verified jam-free operation and acceptable print quality.

Problem: Erie, CO business requested replacement of an aging HP LaserJet 4240n with a recertified HP LaserJet M607n, requiring delivery, installation, and disposal of the retired unit.

Solution: Delivered and installed the recertified HP LaserJet M607n. Coordinated with the customer's IT staff to load printer drivers for all networked users. Removed and disposed of the retired HP LaserJet 4240n per customer request.

Problem: HP Color LaserJet CP3525 due for scheduled quarterly preventive maintenance as part of a Denver office printer fleet rotation.

Solution: Performed quarterly PM on HP Color LaserJet CP3525. Inspected all major assemblies, cleaned internal components as needed, and verified full operation through test output.

Problem: HP Color LaserJet CM3530 MFP experiencing repeated paper jams from Tray 2, intermittent Scanner Failure errors on power cycle, and abnormal noise traced to the toner or transfer belt area.

Solution: Replaced fuser (CE484A), Tray 2 pickup roller (RM1-4968), Tray 2 separation roller (RM1-4966), Tray 2 pickup assembly (RM1-4975), MP pickup roller (RL1-2184), MP separation pad (RL1-1937), ADF feed kit (CB414-67918), and transfer belt kit (CC468-67927). Unit was brought in-shop for full service, cle

Problem: HP LaserJet P4015 in Brighton, CO reported recurring paper jams originating from Tray 2.

Solution: Technician replaced the fuser assembly (RM1-4554) and Tray 2 feed roller, then cleaned internal paper path components and tested to confirm jam-free operation.

Problem: Lexmark X746de document feeder reporting persistent jams, preventing the ADF from feeding pages reliably.

Solution: Diagnosed a broken carriage transport belt (40X5214) alongside a worn ADF pickup assembly (40X5188) and separation pad (40X5187). Replaced all three components, cleaned the machine, and tested ADF operation to confirm full functionality.

Problem: Louisville, CO customer required a new Lexmark MX321adn multifunction laser printer for their location.

Solution: New Lexmark MX321adn MFP procured, tested for proper operation upon receipt, and hand-delivered to the customer's IT department.

Problem: An HP LaserJet M527 in Arvada was producing a loud grinding and bumping noise while tearing and creasing paper during print jobs.

Solution: Diagnosed the source of paper creasing and noise to worn tray 2 rollers. Replaced the pickup roller (RM2-5741) and separation roller (RM2-5745), then cleaned the machine. A residual light squeak indicated fuser wear; a fuser maintenance kit (RM2-5285-MK) was subsequently installed and the printer wa

Problem: Lexmark MS810 laser printer required a maintenance kit replacement at a Fort Collins, CO location.

Solution: Maintenance kit sourced and shipped directly to the customer's site via FedEx Ground; no on-site installation performed per customer request.

Problem: HP LaserJet 4250 reported recurring paper jams, with the fuser producing loud mechanical noise during operation.

Solution: Cleaned exit sensor flags, replaced the swing plate assembly (RM1-0043-060), fuser maintenance kit (Q5421A), and Tray 2 pick solenoid (RK2-0269-000) as a preventive measure. Tested print path — jams and fuser noise resolved.

Problem: HP Color LaserJet M553 required wireless network setup and toner installation at a Brighton, CO office.

Solution: Delivered and installed CF360A toner cartridge, downloaded the HP driver set, configured the M553 for direct Wi-Fi, and verified print functionality through testing.

Problem: HP LaserJet M527 fax unable to connect — would intermittently ring but fail on connection, with inconsistent behavior across multiple fax lines tested.

Solution: Technician swapped fax card; original card allowed dial-out but failed to connect. After exhausting fax line and settings variables, replaced both the formatter board and fax card, then updated firmware. Root cause identified as a failed Cisco analog-to-digital conversion router, which can damage th

Problem: Lexmark MB3442adw MFP in Wheat Ridge presented with a blank LCD and an unresponsive control panel, with only a solid amber LED illuminated on power-up.

Solution: After bench testing confirmed an intermittent low-voltage power supply failure, Lexmark warranty support was engaged. Lexmark elected to replace the unit entirely rather than install the LVPS. The defective printer was returned to Lexmark and a new MB3442adw was configured on-site; network print fun

Problem: HP Color LaserJet Pro MFP M477fdn producing output with toner not adhering to pages. Inspection revealed a torn heating element film in the fuser and worn ADF rollers.

Solution: Replaced fuser assembly (RM2-6460-000CN / RM2-6418-000CN, Duplex Type B3Q10-60105) and ADF pickup roller (B3Q10-40080) with separator pad. Post-repair, the printer restored proper toner fusion. A persistent 'Device is busy, try again later' error on copy/scan functions remained unresolved after rese

Problem: HP Color LaserJet M775 presented with multiple issues: transfer kit blade not cleaning properly, fuser kit nearing end of life, and toner collection unit full.

Solution: Technician identified the transfer kit and toner collection unit as the most critical immediate needs. Fuser kit replacement was also noted as required. Parts procurement and scheduling were coordinated pending customer parts arrival.

Problem: HP Color LaserJet MFP M570dn reported image quality issues, with additional mechanical deficiencies identified: worn tray 2 pickup and separation rollers, a degraded ITU belt, and an ADF maintenance kit due for replacement.

Solution: Technician inspected the M570dn and documented required parts — tray 2 pickup/separation roller kit (CD644-67904), ITU belt (CD644-67908), and ADF maintenance kit (A8P79-65001) — alongside a replacement unit quote. The customer declined repair and opted to purchase a new HP CLJ M570dn MFP instead. C

Problem: HP LaserJet M632 producing streaks on documents scanned through the ADF, persisting after the customer had already attempted to clean the glass.

Solution: Technician cleaned the ADF glass and scanner strip, then tested scanning to confirm streak-free output.

Problem: Lexmark T652dn reported jamming in the duplex unit during double-sided print jobs.

Solution: Cleared all paper fragments from the printer and Tray 3, inspected duplex path and confirmed no stuck sensors or obstructions, replaced the fuser assembly from customer-supplied stock, and cleaned all internal areas. Unit tested and returned to normal operation.

Problem: HP LaserJet Pro M227 reported ADF feed issues requiring an ADF roller kit replacement.

Solution: Sourced and shipped an OEM ADF roller kit for the HP LaserJet Pro M227 to the customer's Erie, CO location.

Problem: HP LaserJet P4015 reported persistent paper jams affecting normal print operations.

Solution: Replaced feed rollers and tray 3 assembly (initial replacement unit was defective and exchanged). Cleaned internal paper path and tested to confirm jam-free operation.

Problem: A piece broke off an HP LaserJet P3015 in Golden, CO when the toner cartridge was removed, rendering the printer non-operational.

Solution: Inspection revealed the drum drive shaft on the toner cartridge had broken. The damaged cartridge was replaced with a new unit, the machine was cleaned, and print function was verified.

Problem: HP LaserJet 9050 reported toner flaking off printed pages.

Solution: Diagnosed failed fuser assembly as the cause of toner adhesion failure. Replaced the fuser, cleaned the unit, and tested to confirm proper toner fusion.

Problem: A Lexmark MS610dn laser printer in Golden, CO was experiencing severe, urgent paper jamming that halted operation.

Solution: Inspection revealed a shredded fuser assembly and worn feed components. Installed a tested used fuser; replaced tray 1 pickup roller tires (41X0958), trays 2–4 pickup roller assemblies (40X8443), and four separation roller assemblies (40X8444). Cleaned throughout and verified normal operation.

Problem: HP Color LaserJet M551 reported magenta toner cartridge failure — toner burst inside the machine twice, leaving heavy magenta streaks across all printed output.

Solution: Technician vacuumed toner debris and wiped all affected internal surfaces with a toner cloth. Advised the customer to source replacement magenta toner from a different supplier to determine whether the fault was cartridge-related or a recurring machine issue.

Problem: An HP LaserJet M402 in Erie, CO was producing a persistent clicking noise originating from the tray 3 assembly during operation.

Solution: Inspection identified worn tray 3 pickup roller assembly (RM2-5741) and tray 3 separation roller assembly (RM2-5745) as the source. Both assemblies were replaced, eliminating the clicking noise and restoring normal feed operation.

Problem: Lexmark CX522 displayed a black toner empty error after the customer replaced the black toner cartridge. Color and black imaging units were identified as non-OEM.

Solution: Technician contacted Lexmark support; a developer kit and replacement black toner were dispatched and installed the following day. Supplies were replaced and the unit tested. Imaging units confirmed as OEM.

Problem: Toshiba B-SX5T label/tag printer in Golden, CO was due for a scheduled preventive maintenance service (PM #3).

Solution: Technician cleaned the Toshiba B-SX5T horticulture label/tag printer and verified all settings were correctly configured for the connected workstation. Unit tested within acceptable parameters post-service.

Problem: HP LaserJet M607 in Erie, CO was due for preventive maintenance; the customer had a fuser maintenance kit on site ready for installation.

Solution: Installed the customer-supplied fuser maintenance kit on the HP LaserJet M607. Cleaned the entire machine, then tested to confirm proper operation.

Problem: HP LaserJet MFP M630z reported feed issues requiring ADF roller and glass cleaning.

Solution: Technician cleaned ADF rollers and scanner glass, then inspected maintenance kit levels and tested the unit to confirm normal operation.

Problem: HP Color LaserJet CP4525dn was stuck on initialization and would not print.

Solution: Technician power-cycled the printer to reach ready state, replaced the formatter board and two tray-2 feed rollers, then cleaned and tested the unit. A residual 68.0 Permanent Storage Write Fail error was noted post-service and monitored.

Problem: Lafayette, CO customer requested purchase and delivery of a new Lexmark MS821dn laser printer with an additional paper tray.

Solution: Delivered and set up a new Lexmark MS821dn with an extra input tray. Unit was tested and confirmed operational prior to handoff.

Problem: HP LaserJet P3005x producing a vertical black line down the left side of every printed page.

Solution: Identified a defective toner cartridge (Q7551X) at 94% life as the source of the vertical black line. Replaced it with a new cartridge; image quality restored. A second new cartridge was left on-site as a spare per the customer's request.

Problem: HP Color LaserJet M775 MFP reported a 50.B1.11 fuser error, halting operation.

Solution: Technician replaced the fuser kit (CE514A) and document feeder kit (L2718A). A spare transfer belt on-site was found torn and unusable; the original belt was reinstalled temporarily. The secondary transfer roller and all pickup and feed rollers were replaced. On a follow-up visit, a new transfer bel

Problem: HP LaserJet 5200tn producing crinkled pages, toner marks at the top of the page, and ghosting artifacts on printed output.

Solution: Diagnosed defective fuser assembly (RM1-2522 series) as the root cause. Replaced the fuser; a component from the original unit was transferred to the new assembly to resolve a parts compatibility issue before reinstallation. Tested and confirmed print quality restored.

Problem: HP LaserJet P3015 in Louisville, CO experiencing repeated paper jams at Tray 2, particularly on larger print jobs due to the tray's paper-lift mechanism.

Solution: Cleaned Tray 2 pickup rollers and separation pads. Lift mechanism was degraded; pads flagged for replacement at next service interval. Tested — feed performance improved to near-full reliability.

Problem: HP LaserJet P4515 due for preventive maintenance; customer requested maintenance kit replacement and toner level check.

Solution: Overnighted a maintenance kit to the customer site. Technician installed the maintenance kit, cleaned the unit, and tested operation to confirm proper function.

Problem: HP Color LaserJet M451NW due for scheduled quarterly preventive maintenance.

Solution: Technician performed quarterly PM on the HP Color LaserJet M451NW, including full inspection and cleaning of internal components per maintenance schedule. Page count recorded at 19,865.

Problem: HP LaserJet M630 MFP in Louisville, CO presented with a fuser error. The unit had already been replaced by the customer prior to the technician's arrival.

Solution: Upon arrival, the technician confirmed the fuser had been replaced by the customer. With the error resolved, no further service was required and the call was cancelled.

Problem: HP LaserJet M601 in Golden reported repeated paper jams and toner transfer issues, leaving toner residue on printed pages.

Solution: Cleaned and vacuumed the machine. Fuser and feed rollers were found worn. Installed CF064-67902 fuser maintenance kit, reset the page counter, and tested to confirm proper operation.

Problem: HP Color LaserJet M880 reported needing a fuser assembly and transfer kit replacement.

Solution: Replaced the fuser assembly and transfer kit on the HP CLJ M880. Unit was cleaned and tested following parts installation.