Service History — Waco, TX — Page 2

Problem: Xerox WorkCentre 7845 repeatedly jammed on the left side of the machine with every print job.

Solution: Technician diagnosed a defective fuser unit as the source of the jams, replaced the fuser, and cleaned the copier. Print output returned to normal operation.

Problem: HP Color LaserJet Pro M479FDN emitted a repetitive chirping noise after each print job completed. Swapping toner cartridges did not resolve the symptom.

Solution: Replaced the fuser assembly and tray 2 feed rollers on the HP CLJ Pro M479FDN. Cleaned the machine internally and tested print output to confirm the post-print chirping noise was eliminated.

Problem: HP LaserJet MFP M635 reported missing and broken components affecting the transfer assembly system.

Solution: Diagnosed a broken cable and missing mating component on the transfer assembly. Replaced the RC4-8188 Transfer Hinge Cover and RM2-6776 Transfer Assembly. Reinstalled the printer, tested print functionality, and coordinated with the customer's IT team to verify network IP configuration.

Problem: Customer required a replacement HP Color LaserJet M454dn at their Mexia, TX location.

Solution: Technician delivered and installed a new HP Color LaserJet M454dn at the customer site.

Problem: HP LaserJet M605 reported a fuser error after the unit was exposed to water from a leak. Error code 50.22.11 indicated the fuser was not reaching operating temperature.

Solution: Technician cleaned the water-damaged unit. With the fuser error persisting after a fuser maintenance kit replacement, the power supply unit (PSU RM2-6301) was replaced. Testing confirmed full operation and closure of the repair.

Problem: HP Color LaserJet Enterprise M553dn reported with a suspected fuser failure. Investigation revealed a paper jam had caused the paper feed assembly beneath the fuser to become dislodged.

Solution: Reseated the dislodged paper feed assembly, restoring normal print operation. Inspected feed path and identified heavily worn Tray 2 and Tray 3 pickup and separation rollers. Replaced both pickup roller assemblies (RM2-0062) and both separation roller assemblies (RM2-0064). Tested all trays — printe

Problem: Xerox VersaLink C405 at a Waco, TX office was not printing.

Solution: Technician diagnosed a end-of-life imaging kit on the VersaLink C405. Replaced the imaging kit, restoring normal print output.

Problem: Xerox VersaLink C405 in Waco stopped printing entirely.

Solution: Inspection revealed toner contamination throughout the interior, a torn transfer belt, full waste container, a grinding fuser, and an imaging unit replacement code. Given the scope of simultaneous failures, the customer opted to replace the unit.

Problem: HP Color LaserJet M680 reporting error codes for the fuser, image transfer unit (ITU), and toner collection unit in a Temple, TX office.

Solution: Replaced the fuser kit (110V CE246A), transfer kit (CE249A), and toner collection unit (CE265A). Reset all maintenance counts, cleaned the scanner glass, and cleaned the ADF rollers. Unit tested and confirmed operational.

Problem: Lexmark MS810de laser printer in Waco due for scheduled maintenance kit replacement at high page count.

Solution: Installed a new OEM maintenance kit on the Lexmark MS810de, reset the maintenance counter, then cleaned and tested the unit to confirm proper operation.

Problem: HP LaserJet MFP M527 in Clifton, TX reported consistent paper feed failures.

Solution: Adjusted the Tray 2 rear paper guide to proper alignment, cleaned the machine, and verified reliable paper feed through functional testing.

Problem: Toshiba B-SX5T horticulture series tag printer was due for its sixth scheduled preventive maintenance service.

Solution: Performed PM6 preventive maintenance on the B-SX5T tag printer. Cleaned internal components. Device requires reconfiguration on the thin client, as it was unable to produce a test page post-service.

Problem: Xerox VersaLink C625 in Waco producing smeared output — toner not adhering to media, indicating a fusing system failure.

Solution: Technician confirmed the fusing unit was not reaching proper operating temperature. Replaced the fusing unit; device returned to ready state and printed to specification.

Problem: HP LaserJet 9050 producing smudging and ghost images, later becoming completely inoperable after fuser roller Teflon coating detached and caused a fuser jam.

Solution: Diagnosed worn fuser and feed rollers as the source of print quality defects. Identified a faulty aftermarket toner contributing to data errors and swapped the cartridge. On return visit, cleared fuser jam caused by Teflon separation on the fuser rollers, then installed a fuser maintenance kit, clea

Problem: Lexmark MS810n laser printer presented with a recurring paper jam at the rear of the unit.

Solution: Replaced the fuser assembly, Tray 1 pickup roller assembly, and Tray 1 separation roller assembly. Cleaned internal paper path and tested printer to confirm proper operation.

Problem: Lexmark MS810 laser printer repeatedly went offline following a previous service visit, with network connectivity failing the morning after the prior repair.

Solution: Cycled power on the printer, reseated the Ethernet cable, and moved it to a different port on the mini router shared with a Pitney Bowes mail station and multiple workstations. Network print jobs resumed immediately. Root cause isolated to the router or an overnight power surge — not the printer its

Problem: Xerox WorkCentre 6515DN MFP in Temple, TX displayed persistent empty-cartridge errors, including fault code 092-319 ('Reinsert magenta toner and restart device'), even after the customer replaced cartridges multiple times.

Solution: Technician reinserted the magenta toner and power-cycled the device; error 092-319 persisted. All toners were removed, developers reseated, and the printer powered on. The unit recognized each cartridge as it was reinstalled, cleared the faults, and released the held print queue. All rollers were cl

Problem: Canon imageCLASS MF426dw presented with multiple faults: loud internal noise, ADF failing to advance pages, and worn Tray 1 pickup and separation rollers.

Solution: Diagnosis identified a broken toner cartridge drive assembly as the noise source, a failed ADF assembly that halted pages mid-feed even after a replacement pickup roller was trialed, and worn Tray 2 pickup (RM2-5452) and separation (RM2-5397) rollers. Required ADF assembly parts were unavailable; th

Problem: HP Color LaserJet M281CDW MFP producing poor color output on two of four color channels; customer reported degraded print quality across multiple colors.

Solution: Inspection revealed shipping tape had not been removed from two remanufactured toner cartridges. Tape was removed, but color output remained substandard. Customer was advised to replace the remanufactured cartridges if quality did not improve. On follow-up, customer opted to return all remanufacture

Problem: Xerox AltaLink C8045 multifunction copier in Waco reported continuous paper jams and a complete loss of print functionality.

Solution: Technician ran a paper path diagnostic, isolating the fault to a failed fuser unit. The fuser was replaced and the paper path cleaned, restoring normal print operation.

Problem: A label detached inside an HP LaserJet M605, becoming lodged within the paper feed assembly and inaccessible to the customer.

Solution: Disassembled the front feed assembly on the HP LaserJet M605 to extract the detached label. Cleaned the machine thoroughly and tested to confirm full operation before closing the call.

Problem: Xerox VersaLink C625 in Woodway, TX was producing skewed copies and prints reported by the customer.

Solution: Technician replaced the DADF feed kit, cleaned and lubricated the DADF interior, and adjusted copier settings. Output returned to spec after restart.

Problem: Xerox VersaLink C625 document feeder jammed repeatedly during copy and scan operations.

Solution: Inspection revealed the document feeder assembly had failed. The technician replaced the full feeder assembly and verified feed performance across multiple test cycles. The unit returned to factory specifications.

Problem: A Xerox VersaLink C505 in Waco was producing black marks across printed output.

Solution: Technician cleaned the unit, replaced the black drum unit and toner cartridge. The copier returned to ready state and printed within spec.

Problem: HP DesignJet T2500 PS eMFP plotter required preventive maintenance as the second of two units serviced at this location.

Solution: Technician cleaned and oiled the carriage assembly, cleaned the encoder strip, and wiped down the unit. The encoder strip and carriage belt were inspected and found in good condition. Printer tested and confirmed fully operational.

Problem: Xerox AltaLink B8090 reported intermittent paper jams occurring on the left side of the copier.

Solution: Inspection revealed a damaged fuser unit. Technician replaced the fuser unit, restoring normal print operation.

Problem: HP LaserJet M525 would not print and displayed a blue screen communications error on boot.

Solution: Diagnosed boot-time blue screen as a communications fault. Replaced the control panel assembly; issue persisted. Replacing the USB cable portion of the control panel resolved the error. Unit tested and confirmed operational.

Problem: Xerox AltaLink C8070 in Waco, TX experiencing frequent paper jams across multiple trays.

Solution: Technician replaced the transfer belt cleaner, secondary bias roller, two drum units, and feed roll kits for trays 2, 3, and 4. Jams cleared and print feed normalized after parts replacement.

Problem: Lexmark MS810 laser printer reported a fuser error, preventing normal print operation.

Solution: Technician diagnosed the fuser error as power-related. Multiple devices sharing the same outlet were identified as the likely cause of insufficient power delivery to the fuser assembly.

Problem: A Lexmark MS810 laser printer in Hillsboro, TX was producing loud paper-shredding sounds during operation.

Solution: Replaced the fuser, tray 1 pickup assembly, and tray 1 separation roller assembly. Cleaned and tested the printer to confirm noise was eliminated and feed performance restored.

Problem: Xerox WorkCentre 7845 producing white streaks across printed output.

Solution: Inspection revealed the cyan developer unit was nearly depleted of developer material. The technician replenished the developer, cleaned the unit, and confirmed output returned to specification.

Problem: Xerox AltaLink C8045 producing prints with heavy cyan banding across the page.

Solution: Inspection revealed a worn cyan drum unit and depleted cyan developer material. Replacing both components restored print quality to factory specification.

Problem: Lexmark MX822 presented with a 650.84 duplex paper jam on arrival, a missing fuser, and multiple cascading errors including fuser error 121.10A and a 649.84 redrive stalled fault.

Solution: Cleaned the machine thoroughly. Tested multiple Type 00 fusers; all triggered error 121.10A with the motor locked in fuser error state. Replaced the fuser (41X1115), duplex motor (41X1050), redrive motor (41X1096), and upper redrive assembly (41X1109). Motor test confirmed fault on positions 3 and 6

Problem: HP Color LaserJet MFP M681 in Hillsboro, TX reported a toner collection unit full error, leaving the device unable to print.

Solution: Technician emptied and vacuumed the full toner collection unit to restore printing. Inspection revealed the transfer belt cleaning blade was degraded, causing page streaking, with both the transfer belt and fuser at 10% life. Replaced the transfer belt kit (P1B93A) and fuser kit (P1B91A), reset both

Problem: Xerox WorkCentre 7545 in Woodway, TX reported recurring paper jams across multiple trays and visible print quality defects on output.

Solution: Replaced all paper tray feed kits, DADF roller kit, RTD chute assembly, all four drum units, all four developer units, and black, magenta, and yellow toner cartridges. After cleaning and restart, the device returned to ready status and printed within specification.

Problem: An HP LaserJet 425dn in Waco, TX was experiencing print quality and output issues traced to a faulty fuser unit.

Solution: Technician diagnosed a failed fuser on the HP LaserJet 425dn, replaced the fuser with an OEM component, cleaned the printer, and verified proper operation through test prints.

Problem: HP Color LaserJet M577z MFP reported persistent jams originating from Tray 3, later accompanied by a 13.B9.A1 fuser-area jam error with no physical paper present in the paper path.

Solution: A compressed-air can nozzle straw was found lodged in the Tray 3 shaft roller assembly at the sensor flag, causing jams; it was removed. Tray media-type settings were corrected — Tray 2 (yellow paper) and Tray 3 (plain/letter) had both been set identically, causing the printer to pull from the wrong

Problem: HP Color LaserJet MFP M477fnw producing smudged output across printed pages.

Solution: Diagnosed fuser failure and worn paper-path components. Replaced fuser assembly (RM2-6431), tray 2 pickup roller (RM2-5576), feed roller (RM2-5577), and separation roller (RM2-5881). Cleaned interior and confirmed clean output before closing the call.

Problem: HP LaserJet MFP M830 producing visible lines on scans and copies when originals were fed through the ADF.

Solution: Technician cleaned the ADF glass strip and inspected all related supplies and components. Post-cleaning test confirmed lines were eliminated and the unit was returned to normal operation.

Problem: Customer reported severely degraded print quality on a Xerox VersaLink C405 color multifunction copier.

Solution: Inspection revealed a worn imaging unit. The technician replaced the imaging unit, restoring consistent, full-quality output.

Problem: Xerox WorkCentre 7970 in Waco, TX presented a persistent 305-121 error code on the DADF assembly.

Solution: Technician inspected all feed rollers, the feed-out sensor, and feed motor — all tested within spec. Replaced the DADF PWB; the unit returned to ready state with no error codes present.

Problem: HP Color LaserJet M277dw MFP was producing a loud moaning noise during operation.

Solution: Identified the source of the noise as one or more of the three depleted color toner cartridges. Replaced the Magenta, Cyan, and Yellow cartridges — all critically low with no remaining life percentage displayed — with customer-supplied replacements. Noise ceased after replacement. Cleaned and tested

Problem: HP LaserJet MFP M527 produced streaks and lines when copying and scanning documents fed through the ADF.

Solution: Cleaned both scanner glass strips to eliminate streaking. Replaced ADF roller kit and cleaned tray rollers. Device tested and confirmed free of line artifacts.

Problem: Xerox AltaLink C8155 reported persistent paper jams at the left door (A).

Solution: Inspection confirmed recurring left-door jams traced to a worn fuser unit on a machine with 1.25 million impressions. The technician replaced the fuser unit, tray 2 feeder assembly, all paper tray feed rollers, and the DADF roll kit. Jams were eliminated.

Problem: HP LaserJet Pro 400 M401N due for scheduled quarterly preventive maintenance as part of an ongoing printer fleet PM program.

Solution: Performed quarterly preventive maintenance on the HP LaserJet Pro 400 M401N. Inspected all key components, cleaned internal assemblies as needed, and verified print quality and operation through functional testing.

Problem: Lexmark MS810 laser printer in Clifton, TX reported recurring paper jams and loud mechanical noise during operation.

Solution: Technician diagnosed a deteriorating fuser assembly as the source of jamming and abnormal noise. The customer elected to replace the unit rather than proceed with repair; the service call was closed without parts installation.

Problem: HP Color LaserJet MFP M775d reported a persistent 30.03.23 scanner calibration error.

Solution: Technician updated the device firmware, which cleared the 30.03.23 scanner calibration error. Unit was cleaned and tested. If the error recurs, replacement of the Flatbed Scanner Assembly (part CC522-67922) is the recommended next step.

Problem: Toshiba e-STUDIO 3055 in Hillsboro, TX displayed a persistent maintenance error message, rendering the unit inoperable.

Solution: Technician diagnosed the fault and identified a failed hard drive as the root cause. The required replacement part could not be sourced; the service call was closed without charge pending part availability.

Problem: HP Color LaserJet Enterprise MFP M880z scheduled for second of five planned preventative maintenance visits.

Solution: Performed scheduled PM on HP Color LaserJet Enterprise MFP M880z at 725,474 page count. Replaced magenta and yellow imaging drums using customer-supplied stock. Cleaned internal components and tested unit to confirm proper operation.

Problem: HP LaserJet E62565hs Managed MFP producing a vertical line down the center of printed output.

Solution: Printed configuration, supplies status, and usage pages on arrival — all reproduced without quality defects. Inspection revealed toner/drum below 10% and sticky residue on the ADF side-2 scanner glass. Cleaned the ADF scanner. Advised that the line was attributable to the contaminated side-2 scanner