Service History — Alpharetta, GA

Problem: Four of six Zebra ZT510 industrial thermal printers at a Suwanee facility were due for scheduled preventive maintenance.

Solution: Technician performed preventive maintenance on four Zebra ZT510 units, completing a full clean and functional test on each printer.

Problem: HP LaserJet MFP M630 in Decatur, GA reported noise from the stapler/stacker area upon exit mechanism activation.

Solution: Cleaned the machine and ran SP mode motor diagnostics, isolating the noise to the intermediate switchback motor. Replaced the reverse assembly (RM2-5799) and ADF roller kit (L2718A); persistent jams led to reinstallation of the original reverse assembly pending a warranty exchange. The warranty repl

Problem: Customer requested a quote for commonly failed replacement parts on a Zebra ZT610 203DPI thermal printer to keep as on-site stock for future service needs.

Solution: Technician identified the three most failure-prone components for the ZT610 203DPI: printhead (P1083320-010), platen roller (P1083320-032), and drive belt (P1083320-056). A parts quote was prepared and submitted for customer review.

Problem: Zebra 4M+ thermal printer in Cumming, GA was due for scheduled preventive maintenance as part of an ongoing multi-unit PM cycle.

Solution: Technician performed scheduled PM on the Zebra 4M+ thermal printer, including full cleaning and functional testing. Unit passed all checks with no issues found.

Problem: HP DesignJet Latex 260 producing incorrect colors, with a persistent 58:10 color sensor error and missing plastic bracket rollers on the plotter.

Solution: Diagnosed color issues as caused by remanufactured printheads and third-party inks. Replaced pinchwheel kit (Q6651-60066), color sensor (CH955-67101), line sensor (CQ869-67062), and cutter (CH955-67007). Redistributed pinchwheels to second plotter. No error codes present after testing.

Problem: HP DesignJet T2500 in Lawrenceville, GA reported a recurring printhead error with no numerical error codes and no failed diagnostic tests.

Solution: Technician attempted all available system resets, manual resets, and cleaned the carriage PCA contacts. A printhead replacement from a prior service visit had not permanently resolved the error. With no diagnostic codes to isolate the fault, multiple components were identified as potential causes: c

Problem: HP LaserJet 600 M606 reported failing to print from Tray 5 following a recent driver update.

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

Problem: Zebra GX430t thermal printer in Suwanee, GA was due for its second scheduled preventive maintenance visit.

Solution: Technician performed preventive maintenance on the Zebra GX430t, cleaning internal components and reconfiguring the printer to manufacturer specifications.

Problem: HP LaserJet M605 experiencing intermittent jams in multiple locations, primarily in the morning during fuser warm-up, following a recent maintenance kit installation. Error codes logged: 13.b9.d2, 99.05.56, 49.38.1b, 41.03.02, 13.b2.d1, 13.a2.d2.

Solution: Over multiple visits, the technician replaced the paper feed roller assembly (RM1-8411-010CN), swapped main kit rollers with new-style HP rollers, cleaned the registration assembly, and replaced a remanufactured toner cartridge showing 30% remaining. The registration assembly (RM1-8413-000) and tray

Problem: Seven Zebra ZQ520 mobile thermal printers submitted for repair in Kennesaw, GA — six units requiring printhead and platen roller replacement.

Solution: Serviceable printheads and platen rollers were harvested from donor units during teardown and installed in the six defective ZQ520s, restoring print quality without new parts procurement.

Problem: Customer in Kennesaw, GA requested purchase of an HP DesignJet T830 36-in multifunction plotter.

Solution: New HP DesignJet T830 36-in MFP sourced and shipped to the customer. Customer was advised that installation is not included and that HP warranty service is handled directly between the customer and HP.

Problem: Toshiba B-SX5T Horticulture Series thermal printer presented with creasing in the print during a scheduled PM visit (4 of 4).

Solution: Completed final PM in series on the B-SX5T. Cleaned printer. Identified elevated ground voltage affecting the entire facility. Recommended evaluating voltage regulator, engaging an electrician, auditing ribbon age, and dating incoming ribbon stock to isolate creasing cause.

Problem: Zebra 110Xi4 thermal printer reported a recurring calibration failure — one of multiple units at this Duluth, GA location experiencing the same issue.

Solution: Removed stuck labels and cleared label adhesive buildup throughout the print path. Replaced the defective platen roller, then performed a full calibration and test cycle. Printer returned to service with no further parts required.

Problem: Zebra ZT510 thermal printer would not feed media.

Solution: Inspection revealed the drive belt and gear had slipped out of position, and the tear bar was dangling with a missing mounting screw. Belt and gear were reseated; a temporary screw was installed in the tear bar, but it did not fit correctly and would not hold long-term. Tear bar was subsequently rep

Problem: HP LaserJet E40040DN intermittently failed to print, powered off without warning, and later produced half-page output.

Solution: Driver conflict resolved by reinstalling a device-specific driver in place of the universal driver. Printer was bench-tested over two days with no power-off events or print defects observed. Upon return to the customer site, partial-page output emerged; a toner cartridge replacement was recommended

Problem: HP LaserJet 2430n intermittently stopped mid-run when printing check stock, but produced no jams on standard paper.

Solution: Installed an additional paper tray fitted with a replacement RL1-0542-000 pickup roller. Tested on standard paper with no failures. Confirmed no failures over the following two-week check run.

Problem: HP LaserJet M601 in Suwanee, GA reported a faulty fuser MP roller requiring replacement.

Solution: Technician replaced two rollers, installing the fuser assembly (RM1-8395-000) and MP tray roller kit components. Replacement parts were installed and function-tested to restore normal operation.

Problem: Four Zebra ZT510 thermal printers in Norcross were due for scheduled quarterly preventive maintenance.

Solution: Technician performed quarterly PMs on three Zebra ZT510 units, cleaning internal components and verifying print quality on each — all units tested within acceptable output standards.

Problem: Zebra 105SL thermal printer was double-feeding, advancing two labels per print cycle instead of one.

Solution: Technician adjusted media feed settings and cleaned the media sensor. Printer was tested and confirmed feeding single labels correctly.

Problem: A Zebra ZT230 thermal printer in Buford, GA required printhead replacement; three printheads were needed.

Solution: Three replacement printheads were sourced and shipped to the customer's Buford location for the Zebra ZT230.

Problem: Lexmark MS821dn laser printer arrived at the Norcross, GA location with shipping damage and was unusable out of the box.

Solution: New Lexmark MS821dn purchased with two additional paper trays. The vendor was contacted regarding the damaged unit and shipped a replacement printer directly to the customer.

Problem: Zebra GX430t thermal printer in Woodstock, GA was due for scheduled preventive maintenance, with reported cutter issues also requiring attention.

Solution: Performed preventive maintenance on Zebra GX430t at 254,089 inches of use. Cleaned internal components, reconfigured printer settings, and resolved cutter malfunction.

Problem: Zebra ZT410 thermal printer in Woodstock, GA exhibited print voids when transitioning from 3" to 4" label stock, traced to printhead degradation in the 4" print zone.

Solution: Technician confirmed the 203 dpi printhead (P1058930-009) as the sole required component, replaced it on-site, and verified print quality across the full 4" label width with no remaining issues.

Problem: Zebra ZD620 thermal printer presented with a blank control panel and missing printhead backing bar, rendering the unit non-operational.

Solution: Technician replaced the blank control panel and missing printhead backing bar using donor parts. Ran test prints post-installation and verified no additional issues before returning the unit to service.

Problem: Zebra 220xiIII thermal printer presented with no display — screen completely unresponsive.

Solution: Diagnosed dead LCD panel on the Zebra 220xiIII. Sourced a compatible LCD (G32043M), swapped metal fitting plates, and installed the replacement screen. Also replaced the drive belt. Unit tested functional post-repair.

Problem: HP LaserJet M604n reported a fuser error, halting print operations at a Lawrenceville, GA business.

Solution: Technician replaced the fuser unit, tray 2 pickup roller, and tray 2 separation rollers. Printer was cleaned and test-printed to confirm full functionality.

Problem: HP LaserJet M607 in Roswell, GA reported a paper feed failure — the printer would not pick or advance paper from the tray.

Solution: Technician found two sheets of paper jammed behind the tray assembly. Sheets were cleared, and the printer was tested and monitored pending a maintenance kit replacement.

Problem: HP LaserJet M630 continued jamming after maintenance kit and ADF roller kit installation. Control panel display showing color shift, indicating impending failure.

Solution: Inspection revealed a broken metal post from the ADF lodged in the paper pathway. Post was extracted and the ADF assembly (B3G84-67912) and control panel (B3G86-67901) were replaced. Unit tested and cleared.

Problem: HP LaserJet M607 reported a failed display panel and repeated label jams. The exit assembly was found broken, the fuser film showed torn spots, the transfer roller was degraded, and tray rollers were worn.

Solution: Replaced the display panel, paper delivery assembly (RM2-6790-000CN), and full maintenance kit (J8J87A). Swapped toner to resolve post-repair smudging. Reset page count and tested. Technician noted M607 is not optimal for vinyl label media; recommended setting media type to Transparency to reduce he

Problem: HP Color LaserJet M577dw reported a persistent paper pick failure across all five trays.

Solution: Replaced the pick roller, separation pad kit, and duplex module. Tested all feed paths post-repair; printer returned to normal operation.

Problem: Lexmark MS810dn laser printer in Gainesville, GA would not print. The display showed the Lexmark splash screen with a 'status bad' message and failed to boot further.

Solution: The controller board (part #40X7570) was diagnosed as failed. The unit had exhibited a flashing display for approximately one year prior; the fault had progressed until printing was no longer possible. The customer elected to replace the printer rather than repair it.

Problem: Lexmark MS810n laser printer in Suwanee, GA was due for preventative maintenance, with worn tray 1 pickup and separation roller assemblies identified during inspection.

Solution: Replaced tray 1 pickup roller assembly and tray 1 separation roller assembly. Cleaned internal components and tested printer to confirm proper operation.

Problem: Zebra 105SL thermal printer due for scheduled quarterly preventive maintenance at a Decatur, GA facility.

Solution: Technician printed internal test label and confirmed print quality. Removed side cover, inspected drive belt, and cleared dust buildup. Cleaned adhesive residue from platen roller and exit plate, then re-verified output with no print defects noted.

Problem: HP LaserJet M527 consistently timed out when attempting to print and showed as offline after driver installation, indicating a USB connectivity fault.

Solution: Tested multiple USB cables and driver loads; printer remained offline after each attempt. Diagnosed a faulty main board as the root cause of the USB communication failure. Replaced the formatter board and updated firmware, restoring USB detection and online status.

Problem: Datamax I-4212e thermal printer in Smyrna, GA presented with a failed display requiring replacement.

Solution: Technician replaced the display assembly (DPR78-2902-01) on the Datamax I-4212e. Unit was tested post-installation and confirmed operational.

Problem: HP LaserJet M527 MFP in Norcross, GA reported a clicking noise and recurring paper jams.

Solution: Faulty toner cartridge identified as the source of the clicking and jams; cartridge replaced. Tray 2 pickup and separation roller assemblies showed visible wear but were cleaned per customer request. Printer tested after service.

Problem: Customer required new laser printer and MFP setup for a pharmacy location not yet open for business.

Solution: Arranged drop-ship delivery of an HP LaserJet M501dn along with a CF287A toner cartridge, and a separate HP M426fdw MFP unit shipped directly to the end-user site.

Problem: HP LaserJet M527z reported as requiring a cold reset due to an administrative password lock preventing access to the device.

Solution: Technician performed a cold reset on the HP LaserJet M527z. The unit was not password-locked upon arrival; reset was completed and the printer was returned to initial factory setup state.

Problem: Zebra ZT410 thermal printer producing light print with white gaps across label output.

Solution: Replaced the 203 DPI printhead (P1058930-009) on the ZT410 and adjusted platen pressure. Printer tested within spec after repair.

Problem: HP LaserJet 4250 reported persistent paper jam errors despite no visible paper obstruction.

Solution: Diagnosed a paper feed sensor flag behind the MP assembly stuck in the closed position. Freed the flag, cleaned the assembly and surrounding components, and verified normal operation through test prints.

Problem: HP Color LaserJet MFP M477fnw reported ghosting images at approximately 89,460 page count.

Solution: Technician inspected the unit and identified the fuser and Tray 2 roller assembly as the cause. Required parts: fuser RM2-6431, feed roller RM2-5577, pickup roller RM2-5576, and separation roller RM2-5881. The customer opted not to proceed with repairs after reviewing costs.

Problem: Zebra 105SL thermal printer required a scheduled PM30 preventive maintenance service, with the ribbon strip plate and platen roller identified as components needing replacement.

Solution: Technician inspected the Zebra 105SL and identified worn ribbon strip plate (G32011M) and platen roller as part of the PM30 service. Replacement parts were quoted; unit pending scheduled maintenance completion.

Problem: Zebra ZM400 industrial thermal printer in Decatur reported worn platen roller requiring replacement during a PM66 preventive maintenance inspection.

Solution: Technician confirmed platen roller failure on the Zebra ZM400 during PM66 service. Replaced the platen roller (part #79815M) to restore proper media feed and print quality.

Problem: Zebra 105SL (Model 10500-3001-2000) producing horizontal lines across printed output, indicating printhead wear consistent with a PM19 service interval.

Solution: Replaced the printhead and platen roller with customer-supplied parts on the Zebra 105SL. Verified print quality and confirmed no additional issues were present.

Problem: Lexmark C792de laser printer repeatedly displaying error 202.01 — 'Paper Jam: Open upper left door to clear fuser' — with no paper present anywhere in the paper path.

Solution: Diagnosed error 202.01 as a fuser failure on the Lexmark C792de. A replacement fuser was sourced and shipped to the customer site. Once located onsite, the technician installed the new fuser, cleaned the printer, and verified full operation through test prints.

Problem: HP Color LaserJet 500 M551 returned with persistent poor print quality; colors were misaligned after a previous calibration attempt.

Solution: Technician found colors out of alignment in the opposite direction from the prior visit. Reseated the image transfer belt and all toner cartridges, then reset and completed a full calibration cycle. A test print confirmed colors were properly registered. Customer was advised to call back if calibrat

Problem: Zebra ZM400 thermal printer in Gainesville, GA was due for a scheduled preventive maintenance service (PM #6 of 8).

Solution: Technician performed preventive maintenance on the ZM400, thoroughly cleaning the interior. Inspection revealed no mechanical or operational issues.

Problem: HP LaserJet P2055 in Duluth, GA reported repeated paper jams originating from both Tray 1 and Tray 2, with a blank black page printing after each document page.

Solution: Inspection revealed both Tray 1 and Tray 2 pickup roller solenoid pads had degraded and become gummy with age, causing the solenoid plates to stick and the pickup rollers to rotate multiple times per print cycle — pulling multiple sheets simultaneously and triggering jams. Both solenoid pads were re

Problem: OKI B6300 laser printer in Canton, GA producing output with burned edges along the paper.

Solution: Burn marks traced to faulty toner cartridge; replacement restored normal print quality. Inspection also identified six worn pickup/feed rollers and a worn fuser unit. Genuine OKI B6300-MK Fuser Maintenance Kit (part 58284201), which includes one fuser unit and six pickup/feed rollers, was quoted for

Problem: Xerox WorkCentre 7845 in Duluth, GA presented stuck on the startup screen, failing to complete the boot sequence.

Solution: Technician diagnosed a corrupted firmware state requiring an SD chip replacement (part 237E27210) and firmware update, with the main board (960K81300) identified as a potential replacement component pending diagnosis.