Service History — Temecula, CA — Page 2

Problem: Zebra ZT230 thermal label printer in Menifee, CA reported failing to print labels, with recurring media calibration failures.

Solution: Repositioned the media sensor and guides, cleared dust buildup from the unit, and ran a full media calibration. Label printing verified functional after calibration completed.

Problem: HP LaserJet 4015 reported paper jamming and abnormal noise during operation, with toner leaving marks along the right-hand side of printed output.

Solution: Installed main maintenance kit and reset the page count. Noise was not reproducible during the service visit; toner cartridge identified as the likely source based on mark pattern and drive gear inspection. Customer advised to monitor noise origin and replace toner if symptoms persist from the front

Problem: A Fallbrook business operating several hundred Zebra and Honeywell thermal printers sought a consultation to evaluate repair support options across their fleet.

Solution: Technician assessed three supported models: Zebra ZD620 clamshell thermal printer, Zebra QLN420 mobile thermal printer, and Honeywell CT60 touchscreen scanner. An urgent service batch of 20–24 ZD620 units and 4–8 QLN420 units was identified for immediate repair, with a cannibalization strategy plann

Problem: HP DesignJet T1200 HD MFP in Vista reported scanner lamp failure. On-site inspection revealed the unit had not been calibrated in 964 days and was also flagging an air filter replacement and Maintenance Kit #1 alert.

Solution: Replaced scanner lamp (bulb, part Q1261-60027), cleaned the scanner lens and carriage rail, oiled the carriage rail, and performed a general cleaning of the plotter. Drive belt, printheads, contacts, service station, image quality, and cutter assembly were all inspected and found in good condition.

Problem: Printronix T8208 industrial thermal printer was dropped, leaving the frame twisted and bent, the front control panel physically detached, and the unit completely unresponsive at power-on.

Solution: Technician confirmed serial number matched the damaged unit, then tested with a known-good control panel — printer still showed no power activity. Frame deformation and likely total electronics failure render the unit unrepairable; replacement required.

Problem: Zebra ZT410 thermal printer in Menifee, CA would not power on — no response when plugged in despite a verified good power source.

Solution: Reseated all mainboard power cables and tested the CMOS battery; both checked out. Removed the power supply cover and found the main power wire disconnected from the mainboard. Reconnected the wire, reassembled the unit, and confirmed normal power-on with no error messages. No parts required.

Problem: Zebra ZT410 thermal printer in Murrieta reported degraded print quality and intermittent network connectivity drops after being placed into production.

Solution: Technician retrieved the ZT410 for bench evaluation. Print output was inspected and found within spec; the unit held a continuous network connection over a 3-day soak test without dropout. Printer was returned to the customer site. Network card replacement is queued if connectivity loss recurs.

Problem: Zebra 220xiIII Plus industrial thermal printer reported print quality issues at a Norco, CA facility.

Solution: Technician replaced the printhead on the Zebra 220xiIII Plus and tested the unit to verify restored output quality.

Problem: Zebra 110xi4 thermal printer reported a 'Media Out, Ribbon In' error with the unit sitting idle and labels failing to stop at the tear-off bar.

Solution: Printer was brought in-shop for servicing. Factory default settings were restored and the unit was cleaned. Due to a suspected logic board or sensor fault, the printer was configured to 'Thermal Transfer' mode — a known-viable workaround for this unit — allowing it to operate correctly in direct the

Problem: HP Color LaserJet MFP M477fdn producing visible lines in copies and scans, indicating the unit was due for maintenance service.

Solution: Technician performed a full cleaning and functional test on the HP Color LaserJet MFP M477fdn. Lines in copies and scans were eliminated and output quality restored.

Problem: Zebra 105SL (model 10500-3001-2000) in Norco, CA was due for a PM21 preventive maintenance service requiring belt kit, printhead, and ribbon strip plate replacement.

Solution: Performed PM21 service on the Zebra 105SL: replaced main drive belt (45189-22), media rewind belt (45189-2), 300 DPI printhead (G32433M), and ribbon strip plate (48017). Unit tested and returned to service.

Problem: HP LaserJet Managed E52645dn MFP would not complete boot sequence, remaining stuck at the initializing stage.

Solution: Performed a full system erase, loaded FutureSmart 4 firmware (version 4.11.2.3) via network, and tested all functions. Confirmed this model does not support an internal hard drive. All features verified operational post-firmware installation.

Problem: HP Color LaserJet M454dw in Menifee, CA was not picking up paper and jammed consistently at the fuser.

Solution: Technician removed and reseated the fuser; jam persisted. Machine was under warranty, so HP support was contacted. HP required documentation and issued a refurbished replacement unit shipped ground. Replacement M454dw (page count: 1) was installed and verified operational.

Problem: HP LaserJet P4015 reported with a failed fuser — fragments of the heat roller were found in the output bin.

Solution: Technician confirmed the installed fuser was defective. Removed damaged unit, installed a full maintenance kit, and reset the page count. No additional issues were found at 485,543 page count.

Problem: Zebra ZQ520 mobile thermal printer required printhead and platen roller replacement as part of a multi-unit service batch.

Solution: Technician replaced the printhead and platen roller on the ZQ520. Post-repair diagnostics revealed media sensor feed failure was unrelated to platen slippage — traced to either the media sensor or main board. Unit was stripped for control panel parts to support completion of a companion repair and d

Problem: Zebra 105SL Plus thermal printer in Oceanside producing barcodes that would not scan.

Solution: Replaced the printhead using the customer's on-hand stock. Technician noted the printer lid had been left open and advised keeping it closed to extend printhead lifespan. Unit tested and confirmed printing scannable barcodes.

Problem: Zebra 140XiIIIPlus producing faint horizontal lines on black labels, with print quality barely passing test patterns despite remaining scannable.

Solution: Cleaned the printhead on the Zebra 140Xi4 and instructed on-site users on proper cleaning procedures. Print speed was reduced from 8 to 6 IPS to eliminate faded lines and meet the label supplier's stricter print-quality standards. Output verified before closing.

Problem: HP Color LaserJet 500 M551 repeatedly triggered a jam error code after printing a few pages, despite no visible paper jam present in the machine.

Solution: Technician inspected the M551 and found Tray 2 pickup and separation rollers worn and the waste toner bottle full. Cleaned the machine, then replaced the Tray 2 pickup roller (RM2-8131), separation roller (RM2-8129), and waste toner collection bottle (CE254A). Tested unit — jam errors cleared and pr

Problem: Zebra ZT220 (ZT22042-T01200FZ) at a Menifee facility required a preventive maintenance service and presented with a worn platen roller and failed printhead.

Solution: Technician cleaned the printer interior, replaced the platen roller (P1037974-028) and 203 DPI printhead (P1037974-010), then tested the unit to confirm proper operation.

Problem: HP LaserJet 500 MFP M577 presented with multiple hardware issues across a multi-unit service visit in Murrieta, CA.

Solution: Technician replaced the roller kit and ADF kit on the HP LaserJet 500 MFP M577, addressing feed and document-handling failures as part of a multi-unit service call.

Problem: HP LaserJet M631 reported error 31.13.02 — persistent jam condition in the automatic document feeder.

Solution: Inspection revealed the blue locking tab on the ADF roller assembly had not been fully engaged. Tab was locked back into position, rollers cleaned, and scanner glass cleaned. Unit tested and confirmed operational.

Problem: HP LaserJet M425 in Carlsbad was picking up multiple pages per feed cycle from Tray 2.

Solution: Replaced the Tray 2 roller kit on the HP LaserJet M425, cleaned the feed assembly, and tested to confirm single-sheet pickup was restored.

Problem: Lexmark C3326 color laser printer in Wildomar was skewing output from Tray 1. The first page fed straight only after manually cycling the tray; subsequent pages came out crooked.

Solution: Technician inspected Tray 1 and found the pick tires worn. Replaced Tray 1 pick tires, cleaned the printer, and verified straight, consistent feed across multiple test pages.

Problem: HP LaserJet M607 reported recurring paper jams affecting normal operation.

Solution: Replaced the fuser maintenance kit, cleaned the printer, and tested to confirm jam-free operation.

Problem: HP LaserJet 4000 presented with a broken tray sensor flag and a failed fuser unit.

Solution: Technician determined that replacing the tray sensor flag requires a full chassis split. Combined with the faulty fuser, the unit was deemed uneconomical to repair and was recycled.

Problem: Lexmark CX417de MFP was producing prints with an unwanted pink background cast across the page.

Solution: Replaced the imaging kit and magenta developing unit (70C0Z50 / 70C0D30). Tested all functions; minor residual dots noted and flagged for monitoring to rule out a remanufactured toner issue as page count accumulates.

Problem: HP LaserJet E60165DN reported multiple issues: not printing from any tray, and when printing did occur, output emerged crooked and tore the paper.

Solution: Technician installed a fuser maintenance kit, performed a full cleaning of the machine, and tested all trays to confirm straight, unobstructed output before closing the call.

Problem: Lexmark MS821dn repeatedly displayed error 111.35A Service Printhead Error on startup each morning. After a power cycle, the printer operated normally throughout the day.

Solution: Technician replaced the print head assembly (41X1106) on the Lexmark MS821dn. Printer was cleaned and tested following the repair. Tray 1 and 2 pickup roller assemblies and separation pad assemblies had been replaced during a prior visit to address concurrent jamming issues.

Problem: Xerox Phaser 4622 laser printer presented with multiple Tray 2 feed failures, including a defective paper-out sensor flag, worn feed rollers, and a broken pickup assembly lift/lower lever.

Solution: Replaced the Tray 2 paper-out actuator (Part# 120N00541) and three Tray 2 feed rollers. The pickup assembly lift/lower lever — unavailable as a catalogued part — was repaired by drilling out the mounting post and securing the lever with a screw and washer. Printer was cleaned and tested after all re

Problem: Zebra GX430t thermal printer in Wildomar due for scheduled preventive maintenance (visit 4 of 6 in service cycle).

Solution: Technician performed scheduled PM on the Zebra GX430t at 223,415 inches of use — cleaning internal components and verifying printer configuration.

Problem: Zebra 110xiIII thermal printer keypad unresponsive; unit powered on but displayed all front-panel indicator lights illuminated simultaneously.

Solution: Technician visited the Vista, CA site across multiple visits to diagnose the fault. After part procurement, the main logic board was replaced. Post-repair testing with the customer confirmed full functionality restored.

Problem: A Zebra 105SL Plus thermal printer in Escondido reported stuck labels jamming the media path, requiring disassembly to clear.

Solution: Technician removed three internal assemblies to access multiple adhered labels throughout the media path, then dissolved residual adhesive with Goo Gone and a window repair knife before reassembling and testing the unit.

Problem: HP Color LaserJet MFP M575 reported error 59.00.F0 accompanied by a toner spill.

Solution: Performed ITB flag, SR17, and ITB alignment tests; alignment test failed. Replaced fuser drive assembly (OEM), ITB (thin crease in center), and tray 2 roller kit. First fuser drive was defective — confirmed by persistent 59.00.F0 with noise on reinstall — and was exchanged for a verified OEM unit. M

Problem: Lexmark B2865 laser printer in Menifee, CA was due for a maintenance kit installation. The customer had already sourced the kit independently.

Solution: Upon arrival, a Lexmark warranty technician was dispatched to handle the parts installation directly. No service was performed by the on-site technician.

Problem: Lexmark MS810n laser printer in Hemet displayed a roller kit replacement message, indicating the pickup and separation rollers had reached end-of-life.

Solution: Replaced the tray 1 pickup roller assembly, tray 1 separation roller assembly, and MP pickup roller. Cleaned the printer, reset the roller kit counter, and tested the unit to confirm normal operation.

Problem: Customer purchased a new Zebra ZT410 203dpi thermal printer and required on-site setup, driver installation, and label software configuration.

Solution: Technician connected the ZT410 via USB, installed ZDesigner drivers from the Zebra website, loaded the basic version of Zebra's label-making software, supplied a ribbon roll, and verified print output.

Problem: HP LaserJet M402 would not print. Network connectivity testing revealed DHCP repeatedly assigning 169.x.x.x APIPA addresses; static IP configuration also failed, pointing to a faulty formatter board.

Solution: Technician identified a failed formatter board as the root cause. A compatible replacement formatter was sourced and expedited to the customer site. Cable routing presented a fitment challenge during the attempted installation — the two lower connectors seated correctly, but the top cable was incomp

Problem: Zebra GX430t thermal printer in San Jacinto due for scheduled preventive maintenance (visit 3 of 6 in service agreement).

Solution: Technician performed scheduled PM on the Zebra GX430t at 1,144,251 inches of use — cleaned internal components and verified configuration settings.

Problem: HP Color LaserJet MFP M479fdn brought in for scheduled preventative maintenance (visit 4 of 6 in service cycle).

Solution: Technician performed full preventative maintenance on the HP CLJ MFP M479fdn at approximately 78,949 total page count. Unit was thoroughly cleaned and tested to manufacturer standards.

Problem: Zebra S4M thermal printer reported with degraded or failed printhead requiring replacement.

Solution: Technician replaced the printhead on the Zebra S4M, then cleaned the unit and ran test prints to confirm proper operation.

Problem: Zebra GX430t thermal printer in Fallbrook, CA was due for scheduled preventive maintenance.

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

Problem: HP Color LaserJet M553 brought in for scheduled preventive maintenance (PM #21) with worn roller kits in Tray 2 and Tray 3 requiring replacement.

Solution: Performed PM #21 on HP CLJ M553. Cleaned internal components, then replaced two B5L24-67904 roller kits — one each in Tray 2 and Tray 3. Tested unit and confirmed normal operation.

Problem: Brother MFC-8480DN MFP was generating noise during operation and producing light print along the left side of each page.

Solution: Technician performed a full preventive maintenance cleaning on the Brother MFC-8480DN. Noise was traced to the imaging drum unit, which also caused the light left-margin output. No parts replacement was required given the printer's role as a backup unit; all functions tested within acceptable range

Problem: Customer in Carlsbad required a new HP LaserJet M404dn laser printer with an additional paper tray.

Solution: Fulfilled order for an HP LaserJet M404dn and supplemental paper tray; both units shipped to the customer via UPS.

Problem: The side door on an HP Color LaserJet M575 MFP would not latch securely, requiring tape to hold it shut for the printer to operate.

Solution: No broken or displaced components were found on the door assembly or contact points. The left-side latch showed poor engagement. A full right door assembly (RM1-8123-000CN) was ordered and installed; fit and function were confirmed after replacement.

Problem: HP LaserJet P4015dn required a black toner cartridge (CC364X) replacement at a Carlsbad facility, floor 7.

Solution: Sourced a CC364X black toner from the on-site IT stockroom and installed it, replacing a cartridge still at roughly 30% remaining due to no available storage space. The first replacement cartridge exhibited a print defect traced to its drum; a second unit from stock was retrieved and installed, reso

Problem: HP DesignJet Z5600 44" plotter in Wildomar, CA presented with an 08:11 error, indicating a hard drive failure.

Solution: Diagnosed error 08:11 as a failed hard drive. Replaced the drive (Part# T0B51-67007); on first boot the unit threw a secondary 79:04 error, which cleared after a power cycle. The printer initialized with expired ink cartridges flagged — technician acknowledged the prompts, confirmed a diagnostic pag

Problem: Customer required a replacement Zebra 110xi4 thermal printer and encountered procurement delays, including a cancelled order and an incorrect model purchased through another vendor.

Solution: After order revisions, the correct replacement was identified as a Zebra ZT610 (ZT61046-T210100Z), procured and shipped directly to the customer via overnight delivery.

Problem: Zebra GX430t thermal printer in Murrieta, CA was due for its third scheduled preventive maintenance service.

Solution: Technician performed scheduled PM on the Zebra GX430t at 1,135,633 inches of media usage — cleaning internal components and verifying printer configuration.

Problem: Zebra 110Xi4 thermal printer powered on with only the display backlight illuminated — no display output — while labels continued to feed normally through the unit.

Solution: Technician reseated all connections on the main logic board, verified the CMOS battery at 3.04 V, then powered the unit on. Display restored to full function; printer fed and printed correctly through testing.