Service History — Denver, CO

Problem: Dell 5130 laser printer reported error code 094-419 alongside a black line running down the center of printed pages.

Solution: Diagnosed a failing transfer belt triggering the belt-low error and causing the vertical black line defect. Replaced the transfer belt (part 330-5841 transfer kit) and cleaned the printer interior. Both the error code and print-quality issue were resolved and confirmed through test prints.

Problem: Lexmark MS821n intermittently displayed 'Tray 1 paper out' with paper loaded, and print jobs from certain applications overrode the tray 1 paper size setting, triggering 'Change tray 1' prompts and halting output.

Solution: Technician updated firmware, corrected tray 1 paper size settings from Universal/Plain to Letter/Plain, replaced the tray 1 pickup roller (41X1108), tray 1 separation roller (41X1119), MP pickup roller (41X1108), MP separation pad (41X1638), and media size sensor (40X7911). Unit was bench-tested and

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: Lexmark MS810n in Arvada, CO was due for preventive maintenance as a second unit serviced during the same on-site visit.

Solution: Technician replaced the tray 1 pickup roller assembly and tray 1 separation roller assembly, then cleaned and tested the printer to verify proper operation.

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 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 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: Lexmark MS810n laser printer reported feeding issues across both paper trays.

Solution: Inspection revealed paper tray 1 and tray 2 guides adjusted too tight, binding paper feed. Technician loosened tray adjustments, cleaned feed path components, and confirmed reliable feeding from both trays. Pickup roller and separation roller assemblies flagged for replacement if issues recur.

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.

Problem: HP LaserJet M602 in Westminster, CO was due for preventive maintenance, including roller replacement.

Solution: Replaced tray 2 pickup roller and both tray 2 feed rollers. Cleaned internal components and tested printer to confirm proper operation.

Problem: HP DesignJet T520 plotter in Louisville, CO was due for preventive maintenance. Upon arrival, the unit was unresponsive and required two power cycles to reach a ready state. The multi-purpose sheet feeder was also found to be failing to feed 11×17 paper.

Solution: Performed preventive maintenance on the HP DesignJet T520. Restored normal operation via power cycling after two reboots. Diagnosed multi-sheet tray module (part # CQ890-67007) as the cause of the sheet-feed failure; the customer opted to proceed with PM service only and declined the tray replacemen

Problem: HP LaserJet MFP M830 reporting error 13.A5.FF, indicating a paper jam condition originating from Tray 4 or Tray 5.

Solution: Technician diagnosed error 13.A5.FF on the HP LaserJet Flow MFP M830 and cleared the jam fault traced to the Tray 4/Tray 5 paper path. Service call closed after confirming resolution.

Problem: HP LaserJet M632 displaying 98.00.00 errors and 'data corruption detection' alerts, losing address book and customizations after power cycles, and requiring periodic restarts to remain operational.

Solution: Reviewed service history including prior formatter and hard drive replacements. Updated firmware from 4.x to version 5.5.0.3 to address recurring data corruption faults and 98.00.00 error codes triggering forced restarts.

Problem: HP LaserJet M806dn was leaving residue on printed pages, indicating fuser assembly wear.

Solution: Installed HP maintenance kit (C2H67A) on the M806dn and reset the page count. Tested output confirmed clean print with no residue transfer.

Problem: HP LaserJet M605 reported generating abnormal noise during operation.

Solution: Technician diagnosed noise as fuser-related. Cleaned the machine and installed an HP F2G76-67901 Fuser Maintenance Kit. Unit tested and returned to normal operation.

Problem: HP LaserJet MFP M830 presented with an unclearable paper jam traced to a faulty registration assembly sensor, followed by a persistent 13.B2.FF false registration jam error.

Solution: Replaced registration assembly (RM1-9742) to resolve false jam condition. Machine also exhibited a constant 31.13.01 ADF jam with the ADF tray lifting but failing to retract; ADF was temporarily disconnected to restore print functionality. ADF assembly (CF367-67920) subsequently replaced and secured

Problem: Lexmark MS810 displaying Service Error 111.21 (Print Head Error). The printer would briefly reach ready status and print a configuration page before returning to the error after sitting idle.

Solution: Technician installed a known-good print head on-site; error persisted. Unit was transported to the shop for further diagnosis. Controller board (40X7570) and maintenance kit (40X8420) were identified as likely required parts. With approximately 588,000 pages on the counter and a third-party toner ca

Problem: HP LaserJet M635 reported jams and unexpected paper size errors across all trays, with trays 3 and 4 generating 41 errors after every 3–7 pages printed.

Solution: Tray 2 pickup rollers were found misinstalled; rollers replaced in trays 2, 3, and 4 (RM2-6772, RM2-1275). Print speed was temporarily reduced to eliminate jams while diagnostics continued. Tray 3/4 assembly replacement did not resolve the 41 errors, so the Paper Feed Frame Assembly (RM2-0851) and R

Problem: HP LaserJet Managed E60075x down at a high-volume repack station with error codes 49.38.13, 13.B2.D2/D3/D4, 41.03.A2–A4, 13.A3.D4, and 60.01.03/04; symptoms included very light print, consistent jams pages 1–30 from all trays, and severe UI and print-start delays.

Solution: Technician diagnosed cascading failures across formatter board (K0Q14-60001), laser scanner assembly (RM2-0906), transfer assembly (RM2-1248), developer gear assembly (RM2-1258), registration assembly (RM2-6774), all three tray pickup assemblies (RM2-0892, RM2-6771, RM2-1169), and both tray lifters

Problem: Lexmark MS810 laser printer reported missing print along the left side of output pages and a maintenance kit alert on the control panel.

Solution: Installed maintenance kit; counter auto-reset. Print defect persisted, prompting inspection of the imaging unit, which revealed lines of missing print on the drum's inner roller. Replacement imaging unit ordered for follow-up installation.

Problem: HP LaserJet M604 at 89,000 impressions producing loud abnormal noise during operation across all paper trays.

Solution: Removed duplexer, revealing shredded fuser exit rollers shedding rubber and plastic debris. Replaced fuser, transfer roller, and feed rollers in trays 2, 3, and 4 using maintenance kit F2G76-67901. Reset maintenance kit counter, cleared error log, and confirmed quiet operation with configuration, su

Problem: HP LaserJet M611dn in Arvada repeatedly jammed checks from Tray 2 inside the fuser and output assembly. Plain paper from the same tray fed without issue.

Solution: Technician replaced pickup and separation roller assemblies in Trays 2 and 3, then identified a previously installed refurbished fuser as the root cause of ongoing check jams. A warranty replacement fuser was sourced, installed, and verified against check stock with no further jams reported.

Problem: HP Color LaserJet CP4525dn reported making a loud clicking noise during operation.

Solution: Diagnosed clicking to the main gear drive assembly. Also found heavily worn Tray 2 feed/separation rollers and a fuser causing page creasing. Replaced the Fuser Drive Assembly (RM1-4974), Fuser Assembly (CE246A), and two Tray 2 feed/separation rollers (RM2-5642). Cleaned, tested, and returned to cus

Problem: HP LaserJet M604 was due for scheduled maintenance; customer had procured a replacement maintenance kit for installation.

Solution: Installed maintenance kit (E6B67A) on HP LaserJet M604. Cleaned internal components, reset the page count, and tested the unit to confirm proper operation.

Problem: HP Color LaserJet M681 in Englewood, CO was due for scheduled preventative maintenance (session 3 of 4) as part of an ongoing service plan.

Solution: Technician performed scheduled preventative maintenance on the HP Color LaserJet M681. Unit was inspected and found in like-new condition. Maintenance visit completed per service plan schedule.

Problem: Dell 5130 color laser printer reported with print quality issues at an Englewood, CO location.

Solution: Remote follow-up confirmed the printer had resumed normal operation. No on-site visit was required; call closed without dispatch.

Problem: Lexmark E460dn reported recurring paper jams.

Solution: Technician duplicated the jam on-site and found worn pickup rollers, a severe cut in the tray 2 roller, and loose toner contamination throughout the unit. Cleaned the printer interior and rollers. Customer arranged to swap the unit with a spare.

Problem: HP LaserJet MFP M525 in Wheat Ridge reported an ADF kit error on the second unit of a two-printer deployment.

Solution: Replaced the ADF main kit (L2718A) and reset the document feeder count. ADF function verified through post-replacement testing.

Problem: Customer in Arvada purchased a new HP LaserJet M607n and requested professional setup and installation upon delivery.

Solution: Coordinated delivery of the HP LaserJet M607n (K0Q14A) with two OEM toner cartridges. Once received, the technician connected the printer via USB, downloaded and installed the HP driver, and verified functionality by testing print jobs from installed PC applications.

Problem: HP LaserJet M606dn reported persistent paper jams originating from Tray 2.

Solution: Disassembled printer twice to access the Tray 2 feed roller assembly (RM1-8411). Cleaned the Tray 2 solenoid pad and replaced the main maintenance kit, registration roller assembly, and feed roller assembly (F2G76A / RM1-8413). Reset the page counter and tested to confirm jam-free operation.

Problem: Customer requested maintenance kits for two HP LaserJet M606 units at a Lafayette, CO location.

Solution: Technician delivered two HP LaserJet M606 maintenance kits on-site. Customer indicated fuser cores would be returned at a later date.

Problem: Customer in Lafayette, CO requested procurement of an HP LaserJet M507n laser printer with an additional paper tray.

Solution: Arranged purchase and shipment of an HP LaserJet M507n and auxiliary tray, shipped separately via UPS with staggered delivery dates. Third-party service contract also arranged.

Problem: Xerox WorkCentre 6655 in Castle Rock, CO reported poor print quality with black marks appearing across printed pages.

Solution: Evaluation confirmed the fuser was not fusing properly. The fuser transfer roller and bias roller were identified as failing components requiring replacement. A parts quote was submitted for repair authorization.

Problem: HP LaserJet 600 M602 reported recurring paper jams.

Solution: Installed full maintenance kit including tray 2 feed rollers, transfer roller, and fuser. Reset maintenance kit counter. Tested unit and confirmed no remaining issues.

Problem: HP LaserJet MFP M527f required ADF kit, tray roller kit, and fuser replacement due to wear across multiple feed and imaging components.

Solution: Replaced the fuser, ADF kit, and tray roller kit and pads on the HP LaserJet MFP M527f. Verified output by testing copies and prints from all available trays.

Problem: HP DesignJet T520e wide-format plotter in Arvada would not print. After a black ink cartridge replacement, the unit displayed a cartridge-damaged error and flagged the yellow ink cartridge with an fault indicator.

Solution: Technician diagnosed the yellow cartridge error by isolating it against other cartridges, confirming the cartridge itself was not the root cause. Firmware update attempted via printer menu and shop connection — both failed. Full disassembly revealed the printhead area and service station were satura

Problem: HP LaserJet M602 displaying persistent error 13.A2.FF (Tray 2 jam) alongside intermittent auto-shutoffs and tray lift failures unresolved by tray, cartridge, and outlet changes.

Solution: Technician removed all covers and MP assembly to inspect the feed path roller assembly and sensor flags — all checked within spec. Testing isolated to individual trays, alternate toner, and a separate outlet ruled out mechanical causes. Three unrelated failure symptoms on a high page-count unit poin

Problem: HP LaserJet P4015 reported worn feed rollers and broken tray guides on multiple cassette trays across a fleet of 12 units in Commerce City, CO.

Solution: Replaced two feed rollers using customer-supplied stock. Fixed broken cassette tray guides on seven of eight trays by installing self-tapping steel screws to lock guides at letter size. Maintenance kits were sourced and shipped to support remaining units in the fleet.

Problem: HP LaserJet MFP M5035 reported poor print quality with void lines across output and an audible thumping noise during operation.

Solution: Replaced previously staged parts; void lines persisted across cleaning pages with inconsistent positioning, indicating the non-OEM toner cartridge — which showed toner dumping — as a likely contributor. Thumping noise isolated to the fuser drive assembly (RM1-2963-000CN) per diagnostic research. Add

Problem: HP LaserJet P4015 reported grinding noise during paper feed. Tray 2 failed to fully lift a loaded paper tray.

Solution: Inspected fuser — no faults found. Isolated grinding to Tray 2 lift mechanism. Replaced Tray 2 with customer-supplied unit. Verified no additional issues at 125,565 page count.

Problem: Xerox VersaLink B405 laser printer producing loud clicking noises approximately two weeks after the customer installed a third-party drum unit.

Solution: Technician identified noise originating from the toner or drum area; tray pickup rollers (604K11192) were also found worn bald. Replacement rollers and toner cartridge (106R03580) were installed. Clicking stopped and a reported leak resolved. Drum unit (101R00554) replacement was recommended as a fo

Problem: HP LaserJet 4250 in Golden, CO required a full maintenance kit and solenoid replacement. A worn swing plate assembly with stripped gears was also discovered during service.

Solution: Installed new fuser, transfer roller, tray 2 pickup solenoid, MP pickup roller, MP separation pad, tray 2 pickup roller, and tray 2 feed rollers. On a follow-up visit, replaced the worn swing plate assembly. Cleaned and tested the printer after each service trip.

Problem: Xerox Documate 4760 scanner experiencing document feed failures, requiring inspection of the separation and feed roller assemblies.

Solution: Replaced the friction roller and pickup roller assembly (parts 57-0146-000 and 65-2164-000) on the Xerox Documate 4760. Cleaned and tested the scanner to confirm reliable document feeding.

Problem: Brother MFC-L2750dw laser printer in Louisville, CO reported recurring rear paper jams — logs showed approximately 50 jam events.

Solution: Technician cleaned the paper path and jam-prone rear exit area. Ran a 75-page test with no jams reproduced. Monitored over subsequent days; no further jams reported after cleaning.

Problem: HP LaserJet 4100 displaying a user maintenance message and experiencing repeated paper jams.

Solution: Technician identified the unit required a C8057A Maintenance Kit. Kit components were replaced and the printer was tested — jams cleared and maintenance alert resolved.

Problem: Muratec MFX3530 multifunction laser printer in Wheat Ridge displaying an error message.

Solution: Diagnosed the Muratec MFX3530 error condition; toner cartridge and drum kit were identified as the required replacement components and shipped directly to the customer site.