Service History — Broomfield, CO

Problem: Customer requested procurement of a new Lexmark MS821n laser printer with two additional paper trays for their Commerce City location.

Solution: Sourced and procured a Lexmark MS821n monochrome laser printer with two supplemental input trays. Customer reviewed and approved the quote, after which orders were placed with distributors for the printer and trays separately. Both shipments were received and delivered to the customer's site.

Problem: HP LaserJet M630 MFP repeatedly displaying a 'Standard Bin Full' error, preventing print and fax jobs from completing.

Solution: Technician found the output bin sensor flags stuck in the lifted position. After powering down and unplugging the unit, the output bin assembly was reseated, returning the sensor flags to their correct position. Multiple test cycles confirmed the flags operated without sticking. Paper path was also

Problem: HP LaserJet MFP M630h produced a consistent toner haze across every printed page despite the installed cartridge reporting 60% life remaining.

Solution: Technician identified a defective toner cartridge as the source of the print quality defect. Replaced it with a new cartridge and verified clean, sharp output before closing the call.

Problem: HP Color LaserJet Enterprise Flow MFP M880z would not power on. Unit was under HP manufacturer warranty.

Solution: Coordinated HP warranty repair on behalf of the customer across multiple visits. HP technician initially replaced the formatter, which did not resolve the power failure. Additional parts were sourced and replaced on a subsequent visit. Printer was tested and confirmed fully operational before closin

Problem: Lexmark MS610 laser printer reported slow output and loud mechanical noise during operation.

Solution: Diagnosed noise and reduced print speed to a failing exit assembly. Replaced low toner cartridge. A 900 RIP error indicated a potential main board fault, likely tied to a chip failure or prior firmware update. Identified parts needed: fuser (40X8023), exit assembly (40X8437), and controller board (4

Problem: Lexmark MS810 laser printer reported recurring paper jams.

Solution: Technician diagnosed a faulty pickup roller kit and replaced the roller assembly, then tested the printer to confirm proper paper feed operation.

Problem: Customer requested routine cleaning service on an HP Color LaserJet M553 laser printer.

Solution: Technician performed a full cleaning of the HP Color LaserJet M553. All internal components were inspected and verified to be in good condition.

Problem: HP LaserJet 4100 with approximately 360K pages was intermittently jamming and producing a grinding noise. Feed and separation rollers had been treated with cooking spray in an attempt to restore traction.

Solution: Replaced the fuser (C8057A maintenance kit), transfer roller, and tray 2 and 3 feed/separation rollers. Reset the maintenance kit counter. Confirmed grinding noise eliminated and print quality restored with no further jams.

Problem: Brother MFC-9330 color laser MFP brought in for carry-in service presenting with smudged print output.

Solution: Installed tray 1 pickup roller/separation pad kit (LY7418001) and a new TN-221BK black toner cartridge, then cleaned and tested the printer to confirm clean, smudge-free output.

Problem: HP LaserJet M633fh MFP reported error code 98.00.02, indicating a full or near-full internal hard drive.

Solution: Technician cleared the 98.00.02 error by formatting the printer's internal hard drive and loading updated firmware. All print and copy functions were tested. Customer was advised that recurring errors within two weeks would indicate the hard drive requires physical replacement.

Problem: Customer required setup and configuration of a newly purchased HP DesignJet T230 24-inch wide-format plotter at their Denver location.

Solution: Technician set up the HP DesignJet T230 24-inch plotter and installed the full driver package on the primary user's workstation. A second user installed the Windows quick-print driver, which also configured correctly. Print output was tested and confirmed operational.

Problem: HP DesignJet T1300 plotter presented with multiple errors after sitting unused for nearly two years, including a carriage lock error stalled at 94% and heavy dried ink accumulation in the service station.

Solution: Technician cleared the carriage lock error and restored network visibility through the web portal. Inspection revealed significant dried ink buildup in the service station; CH538-67040 service station and C9383A printhead were identified as required replacement parts. Customer ultimately declined th

Problem: OKI Microline 491 dot matrix printer would not maintain print alignment during operation.

Solution: Technician cleaned and lubricated the carriage rail, restoring consistent head travel and stable print alignment. Unit tested and confirmed print-ready.

Problem: OKI 8480fb dot matrix printer reported image printing below the correct baseline and repeated ribbon-related paper jams.

Solution: Inspection revealed five ribbon cartridges twisted 180 degrees, preventing flat ribbon travel under the print head. Defective ribbons were replaced with manufacturer-sourced replacements; the carriage rail was cleaned and oiled. The customer's IT department was directed to coordinate a print offset

Problem: HP LaserJet P3015 presented with intermittent paper jams from Tray 2 and was due for a general cleaning and maintenance check.

Solution: Performed full interior cleaning and maintenance inspection. Identified worn Tray 2 pickup roller (RM1-3763) and separation pad (RM1-6303); both components were replaced to resolve the paper feed faults.

Problem: HP Color LaserJet M750xh reporting error 13.A5.D5 — paper jams originating from Tray 5 after printing only 2–3 pages, with Tray 2 also flagged for jamming.

Solution: Technician swapped the Tray 5 cassette with a known-good unit and isolated the fault to the pickup assembly area. Replaced the Tray 5 paper pickup assembly (RM1-6944), pickup motor, controller board, cassette, and lift assembly. Jamming persisted with heavier-stock paper but cleared completely with

Problem: HP LaserJet M4345 reported urgent, recurring paper jams halting print operations.

Solution: Cleaned and vacuumed the entire machine and installed a replacement toner cartridge. Inspection revealed worn fuser, feed rollers, and ADF rollers requiring a fuser maintenance kit and ADF maintenance kit. Customer declined further repairs.

Problem: HP LaserJet M602n producing a loud, persistent chirping noise traced to the main drive and fuser area.

Solution: Found the printer heavily laden with paper dust — approximately ¼ inch accumulated beneath the toner cartridge. Cleaned main drive and fuser gears; fuser gears were dry due to paper dust buildup. Applied grease to fuser gears. Customer advised noise may recur given the volume of debris present.

Problem: Xerox VersaLink C7000 laser printer required preventative maintenance. Feed rollers in the paper tray showed visible wear; device was limited to 11×17 paper operation.

Solution: Replaced worn tray feed rollers using a 607K12020 Tray Roller Kit, then tested print output across media sizes to confirm proper feeding and registration.

Problem: HP Color LaserJet CM6040 MFP in the lab reported an unlocatable paper jam in the ADF feeder, preventing normal operation.

Solution: Cleared a paper jam from the ADF, replaced two Tray 2 feed and separation rollers, and cleaned the unit. A Supplies Status Page revealed the Image Transfer Kit (CB463A) at 14% and Roller Kit (CB459A) at 15% life remaining; the customer was advised to procure both consumables for upcoming replacement

Problem: HP Color LaserJet Flow MFP M577z reported fuser at 7% life remaining, requiring replacement before failure.

Solution: Installed a new fuser assembly along with tray 2 and tray 3 pickup roller assemblies and separation roller assemblies. Cleaned and tested the printer following all component replacements.

Problem: Lafayette, CO customer required a new HP Scanjet Pro 3000 s4 Sheet Feed Scanner (Product# 6FW07A) to replace aging scanning equipment.

Solution: Technician received and hand-delivered the new HP Scanjet Pro 3000 s4 Sheet Feed Scanner to the customer site in Lafayette, CO.

Problem: HP LaserJet P4015 reported multiple issues including paper jams and degraded print quality; one of a fleet of 31 units flagged for service.

Solution: Installed HP CB388A fuser maintenance kit on the P4015 (page count 156,554), reset the maintenance counter, and verified jam-free operation with acceptable print quality restored.

Problem: HP LaserJet M3035xs MFP due for scheduled preventive maintenance, including worn ADF and tray 2 feed components.

Solution: Performed PM service on HP LaserJet M3035xs MFP. Replaced ADF pickup roller assembly, ADF separation pad, tray 2 pickup roller, and tray 2 separation pad. Cleaned and tested printer to confirm proper operation.

Problem: HP Color LaserJet 5550 required a transfer kit and fuser replacement due to worn consumables; toner levels critically low on multiple cartridges, preventing accurate page count retrieval.

Solution: Replaced transfer belt and, after two consecutively damaged replacement fusers were received, installed a third unit. Reset fuser count, ran print-quality test pages, and identified magenta and black cartridges producing darker lines — flagged for follow-up.

Problem: HP LaserJet M402dne reporting persistent Tray 2 paper jam errors at an Englewood, CO business office.

Solution: Inspection revealed the Tray 2 cassette paper gauge assembly had dislodged from its seat, preventing the paper stack from lifting fully to the pickup roller assembly. The technician re-seated the gauge, then cleaned and tested the printer to confirm jam-free operation.

Problem: HP Color LaserJet M479fdw reporting a persistent paper jam error with no physical jam present.

Solution: Technician located and removed a stuck label from the paper path, then cleaned the scanner glass. Unit tested and cleared.

Problem: HP Color LaserJet CP4525 presented with a 59.F0 error code, halting all print jobs. The fuser drive assembly was identified as the root cause.

Solution: Replaced the fuser drive assembly (RM1-5656) and two tray 2 feed/separation rollers (RM1-0037). Cleaned and tested the printer to confirm error resolution and restored operation.

Problem: HP LaserJet M604 reported image quality issues. MICR toner was depleted and required replacement before further diagnosis could proceed.

Solution: Confirmed MICR toner as the root cause of image defects and advised replacement. Installed fuser from maintenance kit (F2G76A); initial replacement unit was DOA and produced loud noise during print cycles. Swapped in a second fuser, restoring normal operation. Media setting adjusted to bond paper.

Problem: HP Color LaserJet M477fdn MFP producing very light prints, traced to a depleted yellow toner cartridge at 10% life and a low magenta cartridge at 30% life.

Solution: Replaced the yellow toner cartridge with a customer-supplied unit. Adjusted the tray 2 cassette paper-size guides to the correct letter-size position. Cleaned the printer and verified output quality before completing the call.

Problem: HP DesignJet Z5200 42" presenting audible screeching during operation and degraded print quality.

Solution: Technician oiled paper pressure rollers, cleared a paper misfeed at the rear of the unit, and retested media feed. Customer was advised to replace the light cyan/light magenta printhead to resolve remaining print quality issues. Unit cleaned and tested.

Problem: HP LaserJet M602 reported a paper jam in Tray 2 that the customer could not locate.

Solution: Upon arrival, the jam had been cleared by an end user. Inspection revealed worn Tray 2 feed and pick rollers as the root cause. Configuration, supplies, and usage pages printed without incident. Supplies page indicated the maintenance kit (CF064A) at 20% — replacement recommended given observed roll

Problem: HP Color LaserJet M451dw reported recurring paper feeding issues and jams.

Solution: Tray guide found set to A4; adjusted to Letter size. Cleaned the tray pickup roller. Tested feeding — no further jams.

Problem: HP LaserJet MFP M630z in Longmont reporting communication errors when sending faxes. Lowering the baud rate and disabling ECM had not resolved the issue.

Solution: Verified dial tone on the fax line, then relocated the line from port 1 to port 2 on an AudioCodes network switch. Replaced the fax modem card, ADF maintenance kit, and all feed rollers. Cleaned and tested the printer; fax transmission confirmed operational.

Problem: HP LaserJet M806 (S/N JPCCJ600DG, ~896,600 pages) was down with a persistent fuser jam and would not produce a configuration page.

Solution: Technician inspected the fuser and found it damaged beyond continued use. Replaced the fuser unit (CF367-67905) and installed a fuser maintenance kit (C2H67A / C2H67-67901) along with associated rollers. Printer returned to full operation.

Problem: HP LaserJet 500 MFP M525 experiencing persistent document jams in the automatic document feeder (ADF).

Solution: Replaced ADF pickup roller assembly and separation pad, but jamming persisted. The complete ADF assembly (CF116-67922) was quoted as a replacement, but the part was confirmed discontinued. With no repair path available, the customer opted to replace the unit. Previously installed parts were swapped

Problem: HP LaserJet P4015 reported recurring paper jams at a Longmont, CO business operating multiple units.

Solution: Inspection revealed worn pick-up and feed rollers. Both roller assemblies were replaced; no additional issues were found at 262,119 page count.

Problem: HP LaserJet M3035 MFP presented with multiple defects: ADF not feeding paper, grinding gear noise, light scan output from a failed upper scanner assembly, and worn pickup rollers and separation pads in trays 2 and 3.

Solution: Replaced ADF assembly (CC476-67913), flatbed scanner assembly (CC476-67911), both tray 2/3 pickup rollers (RL1-1370), and tray 2/3 separation pads (RM1-3738). Cleaned and tested the printer after all parts were installed.

Problem: HP LaserJet P4015 would not print and continued failing after multiple power cycles, displaying a 57.01 fan error.

Solution: Replaced the defective rear cooling fan and reseated the temperature sensor. Relocated the printer from an overloaded surge protector to a dedicated wall outlet. Unit tested operational after repairs.

Problem: HP LaserJet Pro 400 M401dne (58,110 pages) reported persistent paper jams, with an error message indicating a jam beneath the toner cartridge area.

Solution: Technician removed the Tray 2 feed roller and found it worn smooth; replaced it with a new roller. Post-replacement, the jam error under the toner cartridge persisted through a power cycle. Testing from Tray 1 confirmed clean prints with no errors, isolating the fault to the Tray 2 paper path. Slow

Problem: Lexmark MS821 laser printer in Longmont, CO would not feed thicker paper stock from the tray.

Solution: Cleaned tray pickup rollers coated in wax buildup restoring proper paper feed. Advised the customer that an incorrect Lexmark C748 driver was installed, which can cause print quality issues on this model.

Problem: HP LaserJet P3005 reported repeated paper jams disrupting normal operation.

Solution: Replaced pick roller and tested. Jams persisted; tray 2 guide was loose and a spare tray also jammed, isolating the fault to the tray 2 solenoid (RK2-1492-000). Replaced solenoid — a complex, deep-access repair requiring approximately four hours. Printer tested and returned to full operation.

Problem: A broken magenta cartridge leaked toner inside an HP Color LaserJet M551, causing streaks across print jobs and heavy contamination of the transfer roller, transfer belt, and toner collection unit.

Solution: Replaced leaking yellow and cyan toner cartridges. Vacuumed and wiped interior surfaces, cleaned the transfer roller with Windex, removed the transfer belt cleaning blade to clear trapped magenta and yellow toner, and purged the toner collection unit. Cleaned all feed rollers and tray interiors. A d

Problem: HP LaserJet MFP M527 producing duplex copies with half the page solid gray, the other half with horizontal lines, and the reverse side showing four vertical lines when copying through the ADF.

Solution: Verified ADF assembly and scanner glass were free of debris. Confirmed flatbed duplex copies were clean, isolating the fault to the ADF scan path. Replaced the scanner control board (B5L47-67903); issue persisted. Updated firmware to current version; issue persisted. Replaced the document feeder ass

Problem: HP LaserJet M630z reported with ADF roller contamination causing document feeding issues.

Solution: Technician cleaned ADF rollers and restored normal feed performance. Maintenance kit flagged as required with less than 10% life remaining; a separate service order was initiated to procure the kit.

Problem: HP LaserJet M602 reported producing persistent squeaking noises during operation.

Solution: Inspection identified worn maintenance kit components as the source of the noise. Customer sourced a replacement maintenance kit (part # CF064-67901) independently; technician scheduled return visit for on-site installation.

Problem: HP Color LaserJet MFP M577f presented with error code 98.00.00, accompanied by lines in printed output, and visibly worn transfer belt, ADF rollers, and tray rollers.

Solution: Formatted the hard drive and reloaded firmware to resolve the 98.00.00 error. Replaced the transfer kit (RM2-6576-000, RM2-6577-000), tray 2 rollers (RM2-0064, RM2-0062, substituted for B5L24-67904 due to stock shortage), and ADF kit (W5U23A, W5U23-67901, B5L52A, B5L52-67903). All components tested

Problem: HP LaserJet M527 producing a loud grinding noise originating in the print engine, with the ADF ruled out as the source. Fuser also exhibited intermittent crackling from the heating element film.

Solution: Technician could not duplicate the grinding noise but identified the fuser as the actionable fault. Main drive assembly RM2-5175 was noted as a candidate but requires complete printer breakdown to access. Fuser replaced with FM1-W154-000 / RM2-2585-000 / RM2-5679-000CN / FM1-V151-000; print and copy

Problem: Xerox WorkCentre 6505 producing streaks when copying through the ADF, with additional voids appearing in printed output.

Solution: Cleaned the ADF glass, eliminating the streak defect. Cleaned the laser glass and identified the image unit (P/N 676K05360) as the likely source of print voids. Customer declined the estimate to replace the image unit; call closed without component swap.

Problem: OKI MC561 color MFP presented a persistent 134 error ('Inspection Required'), indicating a fault in the black LED print head, print head cable, or main board.

Solution: Technician swapped the black LED print head with the cyan unit — the 134 error persisted. Re-seated ribbon cables on all four LED head units and re-seated head unit connectors at the main board; error continued. Diagnosis pointed to the main board (part #44424021) as the most probable root cause. Cu