Service History — College Station, TX — Page 2

Problem: Xerox AltaLink C8055 reported jamming on every print job fed from Tray 2.

Solution: Inspection identified a defective Tray 2 feeder assembly as the root cause. The technician replaced the feeder assembly and cleaned the unit; Tray 2 resumed consistent paper feed with no further jams.

Problem: Lexmark MS811DN in Bryan, TX displayed a 'Replace Unsupported Cartridge' error after a power cycle, halting print operations.

Solution: A Lexmark-provided firmware file was transferred via USB flash drive to on-site IT staff, who uploaded it to the MS811DN, clearing the unsupported cartridge error and restoring normal operation.

Problem: Lexmark MS810 laser printer in Rockdale, TX was due for scheduled maintenance kit replacement.

Solution: Maintenance kit sourced and ordered for the Lexmark MS810. Parts were shipped to the customer's location via FedEx Ground and installed to restore the printer to factory-specified performance.

Problem: Xerox VersaLink C625 reported persistent paper jams originating from the main paper tray.

Solution: Technician isolated the fault by testing the MSI tray, which fed without issue. The main tray feed kit and separation block were replaced, restoring normal paper feed operation.

Problem: HP LaserJet P3005dn in Madisonville, TX reported recurring paper jams. Investigation revealed worn feed rollers and a newly installed MICR toner cartridge as contributing factors.

Solution: Identified incompatible MICR toner causing void, washed-out print quality and jamming. Reinstalled previous toner cartridge, confirming grey copy issue resolved. Cleaned interior and replaced worn rollers and fuser assembly via RM1-3740 Fuser Maintenance Kit.

Problem: Xerox VersaLink C7030 MFP repeatedly jamming during the finishing stage of print jobs.

Solution: Technician inspected the fuser, paper trays, tray guides, and feed rollers — all within spec. Removed the center finisher and identified a mispositioned finger guide on the rear exit assembly that had slipped behind the exit roller. Repositioned the guide, reseated the finisher, and confirmed jams c

Problem: HP LaserJet M406 in Anderson, TX was due for a scheduled preventive maintenance service.

Solution: Preventive maintenance was performed on the HP LaserJet M406, completing available PM procedures on-site.

Problem: HP LaserJet MFP M527 ADF producing a grinding noise during document feed cycles.

Solution: Technician cleaned the unit on initial visit and identified worn ADF and Tray 2 roller assemblies. On return visit, replaced ADF assembly (B5L47-67907), Tray 2 pickup roller (RM2-5741), and Tray 2 separation roller (RM2-5745). Tested all functions; ADF feeding normally.

Problem: Lexmark CX417de reported recurring paper jams, specifically a 230 duplex jam error.

Solution: Technician inspected the duplex assembly and paper trays; tray components appeared functional. Suspected electrical fault or internal duplex/fuser issue as the root cause. Customer elected to replace the unit given its ongoing history of problems.

Problem: HP DesignJet T2300 PostScript plotter was non-functional following a user-attempted printhead replacement. Cyan was missing from output, all remaining colors were faded, and the unit was stopping mid-job when ink ran low.

Solution: Technician reseated all printheads and ran calibration; cyan remained absent. Printhead cleaning returned a replace prompt for the magenta/cyan unit. After manual cleaning failed to restore cyan, all three HP 72 printheads (C9380A, C9383A, C9384A) were replaced. Print quality and PC-initiated plots

Problem: Xerox AltaLink C8055 reported constant paper jams originating from trays 3 and 4; trays 1, 2, and 5 fed without issue.

Solution: Inspection identified a defective tray 3 feeder assembly as the root cause of jams in both trays 3 and 4. Replacing the feeder assembly restored proper paper feed from both affected trays.

Problem: HP DesignJet Z3200 wide-format plotter producing faded output; general preventive maintenance also due.

Solution: Replaced gray printhead, cleaned remaining printheads, and lubricated the carriage rod. Output tested prior to departure; no callback received, confirming print quality restored.

Problem: HP DesignJet T3500 wide-format plotter was generating error codes, preventing normal operation.

Solution: Service call was cancelled prior to on-site technician dispatch; no repair was performed.

Problem: HP Color LaserJet Pro M454dn reported making noise and not printing, displaying error code 50.09.00.

Solution: Inspection revealed the fuser pressure roller had disintegrated and all Tray 2 rollers were worn. Parts identified: fuser assembly RM2-6460, Tray 2 feed roller RM2-5577, pickup roller RM2-5576, and separation roller RM2-5581. The customer declined the repair quote and opted to pursue a new printer i

Problem: Xerox WorkCentre 7855 reported booting to a green screen, then continuously restarting in a loop without reaching a ready state.

Solution: Technician identified a cascading component failure and replaced the SBC PWB, HDD, SD card, and LVPS, then reloaded firmware and performed an alt-boot to restore normal operation.

Problem: HP LaserJet M602x repeatedly jammed at the fuser area beneath the toner cartridge, pointing to a failing registration assembly.

Solution: Installed a maintenance kit (CF064A) and reset the counter; intermittent jams persisted at the registration assembly. Swapped in a spare registration assembly (RM1-8413) from the customer's standby unit to restore operation while the replacement part was sourced. Technician noted the solenoid as the

Problem: Lexmark CX417 laser printer would not scan to copier; the ADF motor failed to engage when a scan job was initiated.

Solution: Technician diagnosed a non-functioning ADF motor. A firmware update was ruled out due to remanufactured toner cartridges installed in the unit, which the update would have disabled. Identified two likely replacement components: ADF assembly (40X7830) and main board (40X7805). The customer ultimately

Problem: HP Color LaserJet M652 reported a grinding noise and was displaying error code 59.08.60.

Solution: Inspection revealed four defective toner cartridges. Page count could not be obtained. The customer was quoted on replacement cartridges and elected to source a magenta cartridge independently. Call closed pending customer-supplied consumables.

Problem: Xerox AltaLink C8045 in College Station producing degraded print quality — customer reported output was no longer printing clearly.

Solution: Technician found compatible third-party drums and toners installed, with developer material depleted or near-empty across multiple developer units. Cleaned the machine, replaced all drum units, toner cartridges, and developer housings with correct-spec components and fresh developer material. Print

Problem: HP LaserJet M601 reporting persistent 50.02.11 fuser error. Power cycling restored operation briefly before the fault recurred.

Solution: Diagnosed recurring 50.02.11 fuser error on HP LaserJet 600 M601. Replaced the fuser unit under warranty and tested the printer to confirm normal operation.

Problem: Lexmark MS810 laser printer in Brenham, TX reported failure to pull paper from the tray, indicating worn feed and separation roller assemblies.

Solution: Replaced tray feed roller (40X7593) and separation roller (40X7713) from stock. Configured paper tray to Universal setting to ensure correct media handling for odd-size card stock. Tested and confirmed proper paper feed operation.

Problem: Customer requested assistance connecting a Brother laser printer to an office computer after a recent equipment swap.

Solution: A Lexmark MS810 had been relocated to the warehouse, displacing a Brother printer moved to an office workstation. Before the technician arrived, the customer resolved the connection independently and canceled the call.

Problem: HP LaserJet M602 reported leaving streaks across printed pages.

Solution: Diagnosed streaking to a defective toner cartridge. Cartridge identified as a third-party (USL) unit; the customer was advised to replace it with a compatible or OEM cartridge.

Problem: Lexmark MS610dn reported needing a maintenance kit; imaging unit was critically low and a replacement could not be sourced locally.

Solution: Technician installed a new imaging unit from truck stock and performed an interim maintenance kit reset and cleaning to restore operation. On a follow-up visit, a full maintenance kit was installed including fuser (40X8023), Tray 2 & 3 pickup roller assemblies (40X8443), Tray 1–3 separation roller a

Problem: HP LaserJet Flow MFP E82550 reported streaking output and required maintenance kit service, including ADF roller replacement.

Solution: Replaced fuser, ADF roller kit, and tray 2–4 roller assemblies; cleaned the machine. On a follow-up visit, installed transfer belt assembly to address streaking. Drum was subsequently found failed, causing renewed streaks; drum unit was sourced and shipped for customer self-installation. Waste toner

Problem: HP LaserJet Enterprise M608n reported continual paper jams and a black smudge appearing along the left side of printed output.

Solution: Replaced the main maintenance kit. During the repair, the control panel went out upon powering down; the printer retained full print functionality, ruling out a formatter issue. Control panel (part 5851-7975) and main kit (L0H24A) were addressed on-site.

Problem: HP Color LaserJet M680z MFP would not print. On arrival, the display was black with no gear movement; a severe internal magenta toner spill was also discovered.

Solution: Reseated a loose formatter board to restore power and display function. Transported the unit to the shop, cleared a heavy magenta toner spill, and installed a new magenta cartridge from customer stock. Replaced all eight feed rollers in trays 2–5 after post-return jamming persisted. A transfer belt

Problem: Lexmark MS610dn displaying 'Load Paper in Tray 1' error, preventing printing from tray 1 despite paper being loaded.

Solution: Diagnosed a broken tray 1 paper-in sensor flag as the root cause. Sourced a compatible used sensor flag, installed it, corrected tray 2 media size setting from plain/legal to plain/letter, cleaned the printer, and confirmed full operation through testing.

Problem: Xerox AltaLink C8145 producing prints with heavy streaking and spots across output.

Solution: Inspection revealed depleted developer material in the cyan and yellow developer housings. Technician replenished both housings, cleaned the unit, and performed a system reset, restoring print quality.

Problem: HP LaserJet M607 in Brenham, TX required a maintenance kit replacement during a scheduled preventive service visit.

Solution: Installed maintenance kit (part L0H24-67903) in the HP LaserJet M607. During servicing, Tray 2 was found faulty; replacement tray assembly (RM2-6766) was sourced and shipped to the customer for installation.

Problem: HP LaserJet MFP M3035 presented with multiple paper-handling issues across two trays, including a broken tray spring and a worn pickup roller.

Solution: Removed broken spring from one tray; remaining two springs maintained proper function. Replaced the pickup roller in the second tray. Technician noted that any future tray or pickup assembly failure would likely exceed the unit's remaining value.

Problem: HP Color LaserJet 500 MFP M575 reported recurring paper jams originating from Tray 2.

Solution: Tray 2 paper guides were misaligned — not set to letter size — causing sheets to skew on pickup. Guides were adjusted to letter, pickup roller cleaned, and flatbed glass and ADF cleaned. Demonstrated toner-saving options in Adobe (Grayscale and Toner Save checkboxes) to the customer. Tested and conf

Problem: Xerox WorkCentre 7556 in College Station would not wake from sleep mode, leaving the copier unresponsive at the control panel.

Solution: Technician diagnosed a faulty sleep mode configuration and disabled the sleep mode function entirely, restoring normal operation of the WorkCentre 7556.

Problem: HP LaserJet MFP M632z displayed a non-functional disk error at boot following a facility move. The high-capacity paper feeder and stand sustained impact damage, and Tray 2 failed to detect paper size correctly.

Solution: Replaced the hard drive and reloaded firmware, restoring boot functionality. Removed warped metal locking rods from the damaged J8J92A high-capacity feeder/stand. After network setup by IT, all functions were verified operational. A separate assessment was initiated for the Tray 2 size-detect issue,

Problem: Xerox WorkCentre 7855 in College Station reported as unable to print from any tray.

Solution: Tray 1 was operational but loaded with a mismatched paper type. The main connector between the three-tray module and the copier was found unseated. The technician powered down the unit, reseated the module connector, and restored full multi-tray operation after restart.

Problem: Xerox AltaLink C8045 copier producing prints with black spots and streaks across the page.

Solution: Inspection revealed a defective, non-OEM black drum unit as the source of the print defects. The technician replaced it with a genuine Xerox drum unit, cleaned the copier, and confirmed output returned to spec.

Problem: Canon ImageFormula ScanFront 330 required feed roller replacement; rollers were due for service and the roller counter needed a reset.

Solution: Installed new feed rollers on the Canon ImageFormula ScanFront 330, reset the roller counter, and performed a full scanner cleaning.

Problem: HP LaserJet P4015 reported multiple issues including paper jams and degraded print quality. One of 22 units serviced at this location.

Solution: Installed HP CB388A fuser maintenance kit (110/120V) on the HP LaserJet P4015 (page count: 315,094). Reset the maintenance counter. Verified jam-free operation and restored print quality.

Problem: HP LaserJet M605 presented with recurring paper jams, labels and adhesive residue contaminating the paper input path, and persistent error codes 50.22.11 and 58.00.04.

Solution: Technician cleaned the paper input path, removed label debris and glue buildup, then replaced the paper feed assembly (RM1-8411), registration assembly (RM1-8413), and solenoid (RK2-4078). Error 58.00.04 persisted through successive PSU (RM2-6301) and DC Controller (RM2-7643) replacements — includin

Problem: HP LaserJet M604 reported feed issues. Inspection revealed worn tray 1 and tray 2 rollers, attributed to heavy envelope printing through tray 1.

Solution: Cleaned the machine and inspected feed components. Replaced tray 1 roller kit (CB506-67905) and tray 2 feed, separation, and pickup rollers (RM1-0037, RM1-0036). Tested and confirmed reliable paper feed.

Problem: HP DesignJet 500 24" (C7769B) displayed 'Operation cannot be performed' error and refused to print. Sending a Windows test page caused the driver screen to flash repeatedly.

Solution: Identified the issue as a Microsoft Windows update known to affect certain printers and plotters. Coordinated with the customer's IT department to remove or replace the problematic update. The plotter returned to normal operation after the update was addressed.

Problem: Xerox AltaLink C8155 copier producing streaks and spots across all printed output.

Solution: Inspection revealed a defective black drum unit as the source of the print quality defects. The technician cleaned the machine and installed a replacement black drum unit, restoring output to specification.

Problem: HP LaserJet 4345 MFP producing light output with a gray background and vertical lines; remanufactured toner cartridge identified as likely cause.

Solution: Cleaned laser mirror, scanner glass, transfer roller, feed rollers, and dusty exterior. Advised the customer to replace the remanufactured toner cartridge to confirm it as the root cause. Also noted worn ADF rollers and separation pad; recommended an ADF maintenance kit if the unit will continue usi

Problem: HP LaserJet M607n reported persistent paper jams.

Solution: Inspection revealed two plastic swivel guide plates in the rear paper path had become dislodged. With all retaining clips and mounting studs intact, the technician reseated both plates into their correct positions. Printer tested clear of jams after repair.

Problem: HP LaserJet M605n producing vertical dot pattern streaks down the right side of every printed page.

Solution: Identified a defective toner cartridge at 60% remaining capacity as the source of the recurring dot pattern. Replaced it with a unit from customer stock and confirmed clean output through test prints. Advised the customer that the fuser and tray 2 and 3 pickup/feed rollers also require replacement.

Problem: Xerox AltaLink C8255 reported frequent jams during copy and scan operations; print function remained unaffected, isolating the fault to the document feeder.

Solution: Inspection revealed a staple lodged in the document feeder paper path. The technician removed the obstruction, replaced the damaged RTD Chute Assembly, and installed a new mylar strip that had been torn. Copy and scan functions restored to normal operation.

Problem: Lexmark T654 laser printer in Bryan, TX reported recurring paper jams occurring approximately once per day.

Solution: Technician inspected the T654 and found excessive internal contamination. Cleaned all paper path components and tested the unit; jams cleared. Noted fuser and charge roller as likely next steps if jamming recurs.

Problem: HP Color LaserJet M570dn reported recurring misprints and misfeeds across multiple paper trays, with associated jam errors and degraded print quality.

Solution: Replaced transfer belt (RM2-7448K), ADF roller/pad (A8P79-65001), Tray 2 feed roller (RM1-4968), separation roller (RM1-4966), and toner collection unit (CE254A). Post-replacement testing confirmed clean output, proper ADF feeding, and no further jam or misprint errors.

Problem: Xerox VersaLink B405dn in College Station, TX displayed a 005-305 error code, rendering the DADF inoperable.

Solution: Inspection of the DADF revealed a crumpled paper fragment lodged in the feed path. After removal, the DADF resumed normal operation.

Problem: HP Color LaserJet M476 MFP would not power on — no lights, no response, completely dead on arrival. One of two units brought in for carry-in service.

Solution: Diagnosed a failed Low Voltage Power Supply (RM2-8030) as the root cause. Replaced the LVPS, then cleaned and tested the printer to confirm full restoration of power and operation.