Service History — Corpus Christi, TX — Page 3

Problem: Xerox VersaLink C405 producing black and yellow streaks and spots across all printed output.

Solution: Inspection revealed defective black and yellow drum units as the source of the image defects. Both drum units were replaced and the copier was cleaned, restoring print quality to spec.

Problem: HP LaserJet E52645 in Robstown, TX was experiencing frequent paper jams with pages folding at the edges during feed.

Solution: Replaced the pickup roller assemblies and separation roller assemblies in trays 2, 3, and 4 using components from a maintenance kit supplied and shipped to the site. The fuser and transfer roller included in the kit were not needed and were returned unused.

Problem: HP LaserJet M607 flagged for multiple issues after sitting unused for approximately one year. Unit showed heavy wear on rollers and related feed components, depleted toner, and diagnostic fault codes 19889 and 19890.

Solution: Technician diagnosed fault codes 19889 and 19890 on the M607. Inspection revealed a single fuser shared between two units, no toner present, and worn rollers throughout. Recommended ordering one fuser maintenance kit and one toner cartridge to bring one printer to operational status, with the option

Problem: HP LaserJet MFP M635 reported error code 89.09.00, indicating a firmware or storage subsystem fault requiring urgent attention.

Solution: Technician diagnosed data corruption on the internal hard drive. Replaced the HDD and performed a three-step format. Firmware was loaded via an alternate method after thumb drive recognition failed, restoring full printer functionality. Error code 81.09.00 was also resolved through the drive replace

Problem: HP Color LaserJet M880 reported ink smearing on output pages.

Solution: Technician arrived on-site and confirmed only one unit required service. No repair was performed on this device; call closed without service.

Problem: HP LaserJet M527 reporting persistent 13.D9.D2 jam error.

Solution: Inspection revealed the fuser door catch was not engaged and the fuser roller had come loose. Both fuser components were reseated and secured, then the printer was tested to confirm normal operation.

Problem: Xerox VersaLink C405 in Portland, TX producing faded, spotty prints — output quality had noticeably degraded from normal operating standard.

Solution: Technician cleaned the unit and replaced the imaging kit, all four toner cartridges, waste container, paper tray feed kit, and DADF roller kit. Print quality restored to manufacturer specifications.

Problem: A Lexmark MS360dn laser printer reached end of serviceable life and could not be economically repaired, requiring a full unit replacement.

Solution: A new Lexmark MS431dn laser printer was sourced and drop-shipped to the customer's Rockport, TX location as a direct replacement for the failed unit.

Problem: A Xerox VersaLink C505 experienced a yellow toner dispersion event internally, contaminating components throughout the imaging path.

Solution: Technician performed a thorough internal cleaning, replaced the yellow imaging unit, and verified output quality. Print results met manufacturer specifications.

Problem: HP LaserJet MFP M830 due for scheduled preventative maintenance (visit 3 of 7) at Alice, TX location.

Solution: Performed full PM on HP LaserJet MFP M830. Inspected all feed rollers — grip confirmed within spec. All consumable kits verified above 50% remaining. All MFP functions tested and operating normally.

Problem: HP LaserJet P4015 in Aransas Pass, TX was due for a maintenance kit installation and full cleaning, with a maintenance alert count reset required.

Solution: Installed maintenance kit and performed cleaning with alert count reset. Inspection revealed the transfer roller holder slot's catch stopper — not an orderable part on the P4015 and absent from its paper feed assembly — was broken on the right side, misaligning the transfer roller. The broken casset

Problem: Brother MFC-L5800DW producing smudges along the side of printed pages. Previous drum unit and toner cartridge replacements by the customer had not resolved the issue.

Solution: Replaced the drum unit with a new unit sourced from customer stock. Cleaned internal paper path components and tested the printer to confirm smudge-free output.

Problem: HP LaserJet M602 producing faded output, concentrated on the left side of the page.

Solution: Technician swapped toner cartridge and fuser, then replaced the laser scanner assembly. Fading persisted unchanged after each swap, consistent with a known issue documented across multiple M602 units. Replacement fuser and laser scanner were sourced and delivered to complete the repair.

Problem: HP LaserJet M602 reported leaking toner, producing streaks and dirty output requiring thorough internal cleaning.

Solution: Identified streaks originating from a failing toner cartridge. Cleaned the machine internally, replaced the toner cartridge and maintenance kit, then tested output to confirm clean, streak-free print quality.

Problem: HP Color LaserJet Pro 400 MFP M475dn scheduled for preventative maintenance (session 11 of 20) at page count 116,278.

Solution: Technician performed scheduled preventative maintenance on the M475dn. Required parts 5851-3580, RM1-4840, and RM1-8047 were ordered and installed. Unit was cleaned, inspected, and tested to restore full operating condition.

Problem: Lexmark MS821 laser printer in Rockport, TX presented with high page count indicating a maintenance kit was due.

Solution: Technician installed a new OEM maintenance kit on the Lexmark MS821, performed interior cleaning, and tested the printer to confirm normal operation.

Problem: Xerox AltaLink C8170 reported consistent paper jams occurring on the left side of the device.

Solution: Technician identified a known failure point for this model and replaced the MSI Feeder Kit. Jamming was eliminated following the component swap.

Problem: Brother MFC-9970CDW producing a recurring blue vertical line down the right side of all output — a previous callback issue returning.

Solution: Diagnosed cyan toner bleed along print edge. Swapped in a known-good cyan toner cartridge and drum unit for isolation testing; drum confirmed faulty. Cleaning wand did not resolve the defect. Replacement drum unit ordered to restore clean output.

Problem: HP DesignJet T2300 wide-format plotter reported intermittent ink leaking on the right side when the carriage was parked, along with a false 'no toner cartridge' error preventing print jobs from completing.

Solution: Replaced two black printheads (C9383A, C9384A, C9380A OEM) and the service station (CH538-67040). Removed duct tape from the interior and cleaned inside the case. A plastic-lined box was placed under the plotter to contain any residual leaks. Ink tube assembly (CN727-60097 / CR649-67006) identified

Problem: Lexmark MS810 laser printer reported a jam in the manual paper feeder; the customer was unable to locate or clear the jam.

Solution: Technician inspected the manual feed tray across two visits, identified the source of the jam, and resolved the issue. Customer confirmed the manual tray was feeding correctly with no further jams before the call was closed.

Problem: HP LaserJet M402dne was lifting multiple sheets simultaneously during print jobs, causing consistent multi-feed jams.

Solution: Replaced the pickup roller (RM2-5452) and separation roller (RM2-5745). Reinstalled components, tested feed performance, and confirmed single-sheet pickup across multiple print cycles.

Problem: Lexmark MS810 laser printer presented with an audible noise during operation; a preventive maintenance service was also due across multiple units.

Solution: Performed PM1 preventive maintenance on a fleet of Lexmark MS810 laser printers. The noisy unit was resolved by replacing the drum unit; a maintenance kit had previously been installed on that machine. No additional issues were found during servicing.

Problem: HP Color LaserJet M477fnw producing a repeating ghost image across the top of printed pages at 39,276 page count.

Solution: Diagnosed worn fuser, ADF feed components, and Tray 2 roller set. Replaced fuser RM2-6431, ADF pickup roller B3Q10-60105, ADF separation pad B3Q10-40080, Tray 2 pickup roller RM2-5576, feed roller RM2-5577, and separation roller RM2-5881. Cleaned and tested — all functions confirmed normal.

Problem: Xerox AltaLink C8255 multifunction copier in Portland, TX stopped printing entirely.

Solution: Inspection revealed the fuser unit and three drum units at end of life, with the fourth drum unit at 4% remaining. All four drum units and the fuser unit were replaced, followed by a thorough cleaning, restoring full print operation.

Problem: HP LaserJet M607 reported jamming every other page, an ongoing issue persisting after a maintenance kit replacement earlier in the year.

Solution: Removed folded-corner sheets from the paper tray. Replaced the feed roller kit (part J8J70-67904). Cleaned the machine and verified jam-free operation through test prints.

Problem: HP LaserJet M604 reported jamming and crinkling pages, with the customer noting all pages were coming out crooked.

Solution: Technician located a torn piece of paper in the output bin that was causing pages to catch and jam. Tray 2 housing showed cosmetic damage but feed path was unaffected. Printed internal test pages confirmed no crinkling or misfeeds. Fuser inspection revealed early wear signs with maintenance kit life

Problem: HP Color LaserJet M555 reported recurring paper jams and a tray error. A previous toner leak had been cleaned by another party, but toner contamination remained inside the printer, with residue still falling from internal components.

Solution: Technician inspected the unit and identified residual toner contamination from a prior leak as the likely root cause. No jam occurred during the visit; however, toner buildup in the transfer belt area was suspected. Recommended replacement of the transfer belt kit (RM2-6576-000 / RM2-6577-000) and T

Problem: HP PageWide M577 multifunction laser printer reported recurring paper feed failures and jamming.

Solution: Technician cleaned all paper feed rollers and scanner glass. Faults could not be reproduced during testing; paper likely sticking together was the probable cause. Unit passed all post-service tests.

Problem: HP DesignJet T790 44" reported multiple issues, including poster print jobs cutting off portions of the image after the customer's network upgraded to Windows 365.

Solution: Technician cleaned and lubricated the carriage rail, carriage belt, and encoder strip; diagnostic page confirmed the hardware was functioning correctly with current firmware. The image-cropping issue was traced to incompatible print settings in Microsoft Publisher and PowerPoint when printing via a

Problem: Xerox AltaLink C8170 in Portland, TX reported constant paper jams occurring on the left side of the machine.

Solution: Technician diagnosed a defective fuser unit as the source of the recurring jams and replaced it, restoring normal operation.

Problem: Xerox AltaLink C8055 in Portland, TX was jamming on every pass through the top of the machine.

Solution: Technician replaced the feeder kit, RTD chute assembly, and a defective registration chute. DADF returned to spec following all three replacements.

Problem: HP Color LaserJet M477FDN presented with a physically broken front cover during a scheduled PM2 preventive maintenance visit.

Solution: Performed PM2 service, cleaned, and inspected the unit. Diagnosed broken front cover assembly; sourced and installed replacement part RM2-6390, then tested the printer to confirm full operation.

Problem: HP LaserJet M507 reporting persistent jam error 13.00.FF at the front door assembly.

Solution: Cleared paper jam from the front door area, identified worn feed roller as the root cause, replaced the roller, and verified normal operation with no recurring jam errors.

Problem: Xerox AltaLink C8070 multifunction copier in Portland, TX was completely unable to print.

Solution: Technician diagnosed a end-of-life fuser unit, replaced it, performed a general cleaning, and reset the HFSI counter. Print functionality restored.

Problem: Xerox VersaLink C605 in Corpus Christi was reported as jamming constantly at the exit area.

Solution: Technician diagnosed a damaged fuser unit as the root cause. Replaced the fuser unit, eliminating the recurring exit jams.

Problem: A Xerox VersaLink C505 in Corpus Christi was producing cyan streaks across all printed output.

Solution: The technician identified a faulty cyan drum unit as the source of the defect, cleaned the interior of the copier, and installed a replacement cyan drum unit, restoring print quality to manufacturer specifications.

Problem: HP LaserJet 9050 reported making noise and producing very faint print output.

Solution: Diagnosed a tearing fuser film as the source of both symptoms. Initial fuser replacement caused per-page jams due to a sensor position set too low; unit was returned and a second fuser installed. Verified correct sensor adjustment and tested with the C9152A main maintenance kit.

Problem: Lexmark MS821 laser printer reporting a missing or unresponsive imaging unit error.

Solution: Diagnosed a defective toner cartridge as the root cause of the imaging unit error. Replaced the cartridge using customer-supplied stock, then cleaned and tested the printer to confirm normal operation.

Problem: HP LaserJet M506n reported recurring paper jams affecting normal print operations.

Solution: Installed OEM pickup and feed rollers, cleaned paper path components, and verified fix with a 100-page test run confirming jam-free operation.

Problem: Customer in Beeville, TX required a new Lexmark MS821n (model 50G0500) monochrome laser printer.

Solution: A new Lexmark MS821n (50G0500) was procured and shipped to the customer, with delivery coordinated through the supplier.

Problem: Lexmark MS821 in Beeville, TX experienced persistent paper jams originating from the Tray 2 optional paper tray unit, tearing the leading edge of pages and generating error code 241.25A.

Solution: Technician replaced Tray 1 pickup roller assembly, then separation pads and pickup roller assemblies for Trays 1–3. Isolation testing confirmed the optional Tray 2 assembly as the jam source. Firmware was updated to resolve a secondary paper path sequencing issue. Lexmark warranty provided a replace

Problem: A Corpus Christi customer reported consistent colored streaks across all printed pages on a Xerox WorkCentre 7845.

Solution: Inspection revealed a damaged transfer belt unit as the source of the color print defects. The technician replaced the transfer belt unit and cleaned the machine, restoring normal print quality.

Problem: Xerox WorkCentre 3655 reported persistent paper jams occurring throughout the paper path.

Solution: Technician identified worn fuser unit, tray feed rollers, and bias transfer roller as the root cause. All three components were replaced, restoring the copier to manufacturer specifications.

Problem: Lexmark MS810dn laser printer producing uneven darkness across printed pages.

Solution: Replaced the imaging unit with a stocked replacement, cleaned the printer, and tested output to confirm uniform print density was restored.

Problem: Xerox WorkCentre 7845 multifunction copier in Aransas Pass producing print defects on every output page.

Solution: Technician diagnosed and replaced the waste container, 2nd bias transfer roller, and transfer belt cleaner assembly. Print quality returned to manufacturer specification after all three components were installed.

Problem: A Portland, TX customer required a new Lexmark MS821n monochrome laser printer to replace existing equipment.

Solution: A new Lexmark MS821n was sourced and ordered through distribution. Due to manufacturer backorder, the unit experienced an extended lead time before arriving and being shipped to the customer's location.

Problem: Canon imageCLASS MF733cdw laser printer produced a clicking noise during print cycles.

Solution: Diagnosed the clicking noise to a faulty cyan toner cartridge. Replaced the cyan cartridge and verified quiet, normal operation through test prints.

Problem: Canon imageCLASS MF628cw reported an E012-0000 black drum motor error with no engine movement detected.

Solution: Tested with a replacement black toner cartridge; error persisted with no engine movement, pointing to a failed logic board. Customer opted to replace the unit rather than pursue component-level repair.

Problem: Customer reported the Brother MFC-L3720cdw producing excessive noise during print cycles.

Solution: A paper clip was found lodged in the toner drive gearing. The technician extracted the foreign object, replaced the affected toner unit, and confirmed the machine returned to normal, quiet operation.

Problem: Xerox WorkCentre 7845 throwing error code 47-213 — finisher unrecognized by the copier following a nearby electrical storm.

Solution: Technician diagnosed the finisher PWB as storm-damaged and replaced it. On restart, the copier recognized the finisher, which completed its initialization sequence, returning the unit to ready status.