Service History — Roswell, GA — Page 2

Problem: HP LaserJet Enterprise MFP M632 reporting a 49.38.0C firmware error, with a broken control panel hinge and end-of-life fuser exhibiting abnormal noise.

Solution: Cleaned the unit, replaced the formatter, operator panel, HDD, separation rollers, and pickup rollers. Firmware update attempted but USB drive unrecognized on both drives; formatter confirmed faulty. Fuser replaced on follow-up visit due to noise and EOL condition.

Problem: A Zebra 110Xi4 at a truck check-in booth was experiencing incorrect media and ribbon tracking, requiring printhead and platen roller replacement.

Solution: Technician installed a 300 dpi printhead (P1004232) and platen roller (G41011M), cleaned all three units, and verified correct media and ribbon operation on each printer.

Problem: HP DesignJet T2300 (44") repeatedly restarted and the OK button was unresponsive, preventing normal operation.

Solution: Technician identified error 86:01 (Scan Axis Error). Located and removed a large torn sheet blocking the carriage assembly, restoring axis movement. Cleaned the unit, tested operation, and performed a routine preventative maintenance service.

Problem: HP Color LaserJet MFP M880 (A2W75A) reported unable to copy or print, with an active fuser error and a low transfer kit warning.

Solution: Technician diagnosed a faulty fuser and depleted transfer kit requiring a C1N54A Fuser Kit and D7H14A OEM Transfer Kit. Parts were ordered but subsequently returned after the customer elected to replace the unit rather than proceed with repair.

Problem: Zebra ZT410 thermal printer reported with degraded feed performance and print quality rated 5 out of 7.

Solution: Technician swapped components across multiple ZT410 units to isolate and resolve the feed and print quality issues. Printer was cleaned and tested to confirm restored operation.

Problem: Zebra ZM400 thermal printer displayed a 'Head Open' error and printed an oversized label upon unpausing.

Solution: Corrected media settings, switching configuration to continuous mode. Enabled the cutter, cleaned the printhead, and cleaned the head open sensor to resolve the fault.

Problem: Zebra ZT230 thermal printer intermittently dropping communication with the host PC; platen roller found with visible cuts and nicks.

Solution: Inspected ZT230, confirmed platen roller damage. Updated firmware to resolve known network card communication issues. Replaced platen roller (P1037974-028, OEM). Verified print quality via Wi-Fi on site.

Problem: Brother MFC-L5800 laser printer in Decatur presented with a worn drum unit requiring replacement, the third of four units serviced in this engagement.

Solution: Replaced the drum unit on the Brother MFC-L5800. Cleaned the ADF glass, then performed functional testing to confirm proper operation.

Problem: HP Color LaserJet MFP M775f throwing error 50.1F.00 Fuser Error, with paper jamming around the fuser on every print cycle.

Solution: Technician replaced the fuser (CC522-67904) and paper delivery assembly (RM1-9377). A replacement fuser exhibited the same jam behavior, indicating the paper delivery flap was not opening sufficiently to pass media through. Testing also revealed print lines traced to the belt, requiring a transfer k

Problem: HP LaserJet M602 reported emitting a squeaking noise during operation.

Solution: Technician cleaned the unit and inspected for wear. Feed rollers were found worn and replaced. Follow-up confirmed the squeaking had resolved and the unit was cleared for closure.

Problem: HP Color LaserJet Enterprise MFP M680dn reported needing component replacement; initially shipped parts included incorrect part numbers incompatible with the M680dn platform.

Solution: Installed ITB Kit, ITB motor (RM1-5777), ADF Kit, and waste toner bottle after incorrect Dev Drive and Fuser Drive were identified and replaced with proper components. Post-installation testing surfaced error 59.00.0A traced to the ITB motor; issue was resolved and the unit returned to full operatio

Problem: HP LaserJet M635 reported a 60 error (lift mechanism fault) and a failing fuser with heating film separating from the assembly.

Solution: Technician replaced the maintenance kit (J8J87A) and fuser assembly, then cleaned the scanner glass. All printer functions tested and confirmed operational.

Problem: HP LaserJet MFP M527 producing loud bumping noise and squeaking from the rear of the unit.

Solution: Diagnosed bumping noise to worn feed rollers and squeaking to a deteriorating fuser assembly. Installed RM2-2585-MK fuser maintenance kit, cleaned the machine, and verified normal operation through test prints.

Problem: Zebra 140Xi4 (203 dpi) in Norcross reported unable to print from the network. Internal test prints via web interface functioned normally, but the printer configuration page failed to load and third-party label software could not communicate with the device.

Solution: Diagnosed a faulty internal network card; replaced it and reset factory defaults. Resolved residual third-party software communication issues. Separately, print quality required maximum darkness for legible output and the cutter was producing uneven cuts. Replaced the printhead (203 dpi), platen rol

Problem: Eight Zebra thermal printers at a Woodstock facility were due for scheduled quarterly preventive maintenance.

Solution: Performed quarterly PMs on eight Zebra ZT610 (300 dpi, model ZT61043-T0101002) thermal printers. Units were cleaned and tested; all cleared for return to service.

Problem: Lexmark MX610dn in Alpharetta repeatedly failed to print from Tray 3, displaying paper-type mismatch errors and not retaining tray setting changes — persisting after a firmware update.

Solution: Technician confirmed Tray 3 was not retaining paper-type settings across sessions. After a prior visit adjusting settings proved a temporary fix, the full Tray 3 assembly was replaced with a verified working unit sourced from a parts machine. Device was cleaned and tested; Tray 3 printed correctly p

Problem: Lexmark MS810dn repeatedly displaying an engine error. A prior firmware update had not resolved the fault, prompting a callback visit.

Solution: Replaced the controller board (part #40X7570) on the Lexmark MS810dn. Cleaned and tested the printer to confirm the engine error was cleared and operation restored.

Problem: Seven Zebra ZT411 thermal printers due for scheduled biannual preventive maintenance at a Cumming, GA facility.

Solution: Performed scheduled PM on seven Zebra ZT411 (203 dpi) thermal printers. Each unit was cleaned and tested, confirming all printers were operating within spec at service completion.

Problem: Datamax I-Class DMX I-4208 thermal printer was not printing full labels — UPC code consistently missing from output.

Solution: Identified misconfigured media detection setting in the printer driver. Changed Stock setting from 'Label Mark' to 'Label Gap' to correct calibration. Cleaned the unit and tested to confirm complete label output.

Problem: HP LaserJet M806 reported recurring paper jams with error code 13.d1.d2. A replacement unit exhibited the same jamming behavior, suggesting an environmental or configuration factor.

Solution: Technician evaluated both units over an extended diagnostic session. Replaced the left door assembly (RM1-9736) on the spare M806 and tested to confirm resolution.

Problem: Zebra ZM400 industrial thermal printer was due for scheduled preventive maintenance (visit 3 of 5 in service cycle).

Solution: Technician performed full preventive maintenance on the Zebra ZM400, including internal cleaning of all components and functional testing to verify proper operation.

Problem: Zebra 140xiIII Plus producing faint print with lines through tickets.

Solution: Cleared stuck labels from the platen roller and adjusted the tear bar following a jam. Cleaned the printhead, then calibrated pressure, darkness, and speed settings. Printhead (MG G48000M, 203 DPI) identified as needing replacement; quote provided but call closed without customer response.

Problem: A Zebra ZT510 industrial thermal printer in Alpharetta was due for scheduled preventive maintenance.

Solution: Technician performed a PM15-level cleaning on the Zebra ZT510 and tested the unit, confirming normal operation upon completion.

Problem: HP LaserJet MFP M527 could not receive faxes; fax card was missing from the unit.

Solution: Installed a replacement fax card in the HP LaserJet MFP M527, configured fax settings, and verified both send and receive functionality.

Problem: Zebra 105SL thermal printer presented with multiple issues flagged during a PM11 preventive maintenance inspection at an Alpharetta facility.

Solution: Replaced printhead using a donor unit from parts inventory. Adjusted take-label sensors and ribbon strip plate to factory alignment. Verified full operation through post-service testing.

Problem: HP Color LaserJet MFP M570 presented with a non-functional control panel display and a persistent boot loop, leaving the device inoperable.

Solution: USB firmware update attempted without success; internet-only FW architecture confirmed. Formatter board diagnosed as failed via test print. Replaced formatter (CZ272-60001), Tray 2 roller kit (CD644-67904), and ADF kit (A8P79-65001). Post-repair testing revealed ITB wear causing streaking; ITB (CD64

Problem: Zebra ZT410 thermal printer presented with a popping noise and a non-turning platen roller.

Solution: Inspection revealed a failed main drive belt and a deeply cut platen roller. Replaced the platen roller (P1058930-080) and main drive belt (79866M), then cleaned and tested the printer to verify normal operation.

Problem: HP Color LaserJet M477fnw reporting a paper jam with no visible obstruction found by the customer.

Solution: Technician disassembled the printer and removed the fuser to inspect all jam-prone areas. Found and extracted a piece of clear plastic lodged internally; print quality was unaffected. Identified a warped metal tray lift plate and reformed it with pliers. No further issues found during test prints.

Problem: Lexmark CX522ade MFP presented with toner leaking from the unit after an extended period of non-use.

Solution: Toner was found spilling throughout the supply compartment during removal. The printer was transported to the shop for cleaning and inspection. Visual examination revealed the fuser, ITU, developer units, and imaging unit all sustained damage from components separating off the transfer module and mi

Problem: Zebra ZT410 thermal printer would not print. The operation had recently transitioned from smaller to larger label stock after adhesion issues with the smaller labels.

Solution: Found printer unloaded; installed correct label stock and ribbon. Cleaned take-label sensor and full printer interior. Adjusted print speed and darkness for improved output quality. Identified loose, non-latching network cable as the cause of intermittent communication loss with the production machi

Problem: Xerox VersaLink B405 producing pages with very light output and fading toner, concentrated on the right side of each printed page.

Solution: Inspection revealed a broken rear door latch assembly preventing adequate pressure between the transfer roller and drum unit. As a temporary measure, the rear door was taped to restore transfer pressure, confirming the diagnosis — print quality normalized immediately. The printer was confirmed under

Problem: Lexmark MS810 in Marietta reported toner cartridge not recognized following a paper jam clearance, with recurring jams and a persistent 'close door' error despite the door being shut.

Solution: Replaced tray 1 pickup roller assembly and separation roller assembly to address misfeed. On callback, found two retainer clips on the upper redrive assembly broken during jam clearance; replaced the upper redrive assembly, restoring door closure and resolving all jam and toner-recognition errors.

Problem: HP LaserJet MFP M630 experiencing repeated ADF jams on the fifth page or beyond, with each affected sheet kicked back out of the feeder.

Solution: Diagnosed fault as a failed ADF solenoid requiring full assembly replacement. Installed ADF Assembly (B3G86-67901, non-flow), calibrated the unit, cleaned the scanner glass, and confirmed the roller kit had been previously replaced. Tested and verified jam-free operation.

Problem: A Zebra 140Xi2 industrial thermal printer was flagged as end-of-life during a multi-unit PM cycle. The legacy unit lacked USB or Ethernet connectivity, featuring only parallel and serial interfaces.

Solution: The technician assessed the 140Xi2 as a parts-only unit due to its age — predating modern network interfaces by several hardware generations. Serviceable components were harvested and used to complete repairs on two Zebra 140Xi3 printers. Remaining usable parts were retained for future 140Xi-series

Problem: A Zebra ZM600 thermal printer in Atlanta was producing lines through printed output, reported as a recurring print-quality defect.

Solution: Replaced the printhead using customer-supplied stock and performed all calibration and alignment adjustments to restore optimal print quality on the ZM600.

Problem: Zebra 110xi4 presented with no motor response across all drive motors. Printhead exhibited a line defect, and both belts were found hanging loose during inspection.

Solution: Technician replaced the main board (P1053360-016) and documented remaining belt and printhead issues for follow-up service. No spare parts were available on-site for this model.

Problem: Toshiba B-SX5T-TS22-QM-R thermal label printer in Buford producing lines in printed output, indicating printhead wear and requiring thorough cleaning.

Solution: Technician cleaned the unit and replaced the 305 DPI printhead (MG 7FM01641100) on the Toshiba B-SX5T. Output was tested and confirmed clean after the repair.

Problem: Fleet of HP LaserJet P4015 printers in Smyrna required preventive maintenance and evaluation; one unit was flagged as defective with no accompanying notes describing the fault.

Solution: Technician cleaned the flagged P4015 (page count 271,693), ran diagnostics, and found no active faults. Remaining fleet units were scheduled for PM service after confirming availability of spares and access to the secondary distribution area.

Problem: A Zebra 105SL thermal printer was brought in for a PM30-level preventive maintenance service.

Solution: Replaced the platen roller and printhead, installed a toggle, performed manual calibration, and verified print quality through functional testing.

Problem: A Zebra ZD620 thermal printer was reported with a failed printhead requiring PM7-level service.

Solution: Technician sourced and installed a 203 DPI replacement printhead from a parts unit, adjusted printer settings, and verified output quality before returning the printer to service. Media gap sensor replacement was evaluated and determined unnecessary, as the customer confirmed continuous media use on

Problem: HP LaserJet M605 reported persistent paper jams, with the multipurpose tray producing false jam errors during normal operation.

Solution: Installed maintenance kit (F2G76A) to address jams. MP tray assembly (RM2-6323-000CN) replaced due to recurring false jam faults. Tray priority settings adjusted in the printer menu to incorporate MP tray as a secondary feed source.

Problem: Zebra ZT410 thermal printer reported with a failed belt drive assembly requiring replacement.

Solution: Technician diagnosed a worn belt drive assembly (part #79866M) on the Zebra ZT410. Belt drive assembly replaced to restore normal print operation.

Problem: HP LaserJet MFP M632 (J8J70A) reporting data corruption with recurring 48, 49, 98, and 99 errors — the fourth failure of this type — traced to an unstable power circuit shared by the facility's HP printers.

Solution: Performed hard drive erase and firmware reload on initial visit. When errors persisted, replaced the HDD via core exchange. On follow-up, completed backup/restore to migrate data to the new drive, reapplied firmware, cleaned glass, and tested all functions. Advised customer that the dedicated circui

Problem: HP LaserJet M608 reported paper jams originating from Tray 3, with the printer also failing to boot and displaying no text on the LCD panel.

Solution: Inspection revealed broken components on the rear of Tray 3. Technician replaced the control panel, Tray 3 holder and cassette (L0H17A), and two rollers (RM2-6772, RM2-1275) pulled from stock. Unit tested and returned to service.

Problem: HP Color LaserJet Flow M681z MFP reported ADF failure preventing copy and scan functions.

Solution: ADF issue resolved prior to technician's on-site visit. A replacement black toner cartridge was delivered to the customer site; empty cartridge was collected.

Problem: HP LaserJet Flow MFP M635 unable to send or receive faxes. Firmware update and partial disk wipe had been attempted without resolution.

Solution: Replaced fax card (2EH31A); issue persisted. Handset test confirmed outbound dial tone active, but the fax number listed on the printer and config page returned no answer — confirmed dead. Wall port decal indicated a different fax number, which connected to a fax modem, suggesting a line assignment

Problem: HP LaserJet M506 not recognizing paper tray; three-cassette configuration with Tray 4 intermittently failing to register.

Solution: Replaced all separation rollers (RM2-5745-000CN, qty 3) and tray rollers (RM2-5741-000CN, qty 3) across all three cassette trays. Tested each tray post-installation; advised customer that brief rubbing noise is normal during new-roller break-in.

Problem: Brother MFC-L8900CDW at an Atlanta business would not accept a new toner cartridge.

Solution: Technician cleaned the toner cavity and reset the toner counter. Unit accepted new toner and printed normally after testing.

Problem: Buford, GA business required two new HP Color LaserJet M555dn units.

Solution: Two HP Color LaserJet M555dn printers were procured and shipped to the customer's Buford, GA location; both units were delivered.

Problem: HP Color LaserJet 4650 displayed a 50.2 fuser error, indicating a fuser warm-up failure.

Solution: Replaced the fuser assembly and tray 2 pickup rollers. Cleaned internal components and tested print output to confirm full operation.