Service History — Charleston, SC — Page 2

Problem: Zebra 105SL Plus thermal printer reported continuous label feeding without stopping between print cycles.

Solution: Inspection revealed labels were improperly loaded in the media path. Technician reloaded the label stock correctly, resolving the continuous feed condition. No additional issues found.

Problem: HP LaserJet Enterprise M632 in Moncks Corner required fuser assembly replacement and a full maintenance kit service.

Solution: Technician installed the maintenance kit, replaced the fuser assembly, cleaned the ADF glass, and verified print quality through post-service testing.

Problem: A Ladson, SC facility operating multiple Zebra ZM400 thermal printers required printhead replacements across six units.

Solution: Six replacement printheads were sourced and ordered for the Zebra ZM400 units, with parts shipped directly to the customer's facility via ground shipping.

Problem: Zebra Z4M Plus thermal printer in Isle Of Palms reported a persistent head-open error along with multiple additional fault conditions.

Solution: The Z4M Plus was removed from service. Diagnosis indicated a faulty ribbon/head-open sensor and a logic board requiring replacement; parts availability and cost made repair impractical. Unit was replaced with a Zebra ZT411 203 DPI thermal printer.

Problem: Zebra ZM400 thermal printer due for scheduled quarterly preventive maintenance (session 3 of 5) at Isle Of Palms facility.

Solution: Performed quarterly PM on the 203 dpi Zebra ZM400. Installed a previously ordered printhead, cleaned internal components, and tested the unit. Printer confirmed operational and ready for full service.

Problem: Datamax H-6210 thermal printer in Summerville, SC would not run calibration due to a faulty media sensor, also presenting a ribbon failure error.

Solution: Diagnosed printhead pressure issue contributing to ribbon failure error; performed multiple pressure adjustments. Replaced media sensor kit (DPR78-2712-01) and inspected platen system. Found worn gears causing binding in both upper and lower platen roller assemblies. Replaced upper (ROL15-3058-11) a

Problem: HP DesignJet T920 36" plotter reported print quality degradation consistent with a failing printhead.

Solution: Diagnosed a failed printhead on the HP DesignJet T920 (Model CR354A). Replaced the B3P06A 727 printhead and gray ink cartridge (customer running 130 ml cartridges). Cleaned the machine and verified output quality through test prints.

Problem: Sato B-EX6T1-T Tag thermal printer was due for its second scheduled preventive maintenance visit in a four-call PM cycle.

Solution: Technician performed PM 2 of 4 on the Sato B-EX6T1-T Tag printer, completing a full cleaning of internal components and verifying operation through functional testing.

Problem: A Zebra GX430t thermal printer in Mount Pleasant was due for scheduled preventive maintenance as part of an ongoing service cycle.

Solution: Technician performed full preventive maintenance on the Zebra GX430t at 1,179,036 inches of use — cleaning internal components and reconfiguring the printer to factory-recommended operating parameters.

Problem: HP LaserJet 1320 was creasing and pinching paper during the print cycle, with the customer requiring a specific PostScript driver and proprietary paper stock.

Solution: Technician inspected the HP LaserJet 1320 and identified a failing fuser assembly (part #RM1-1289-000-MK, 110V fuser maintenance kit) as the root cause. Quotes for both fuser repair and a replacement printer were provided; the customer elected to replace the unit.

Problem: HP Color LaserJet MFP M681 reported recurring paper jams and poor print quality, including yellow streaking across output.

Solution: Reseated fallen pickup rollers in tray 3. Identified yellow streaking as caused by a non-HP imaging unit. Replaced tray 2 and tray 3 pickup and separation rollers (RM2-6681, RM2-0064, RM2-6772, RM2-1275). Cleaned machine and tested output. Customer advised to replace the non-OEM yellow imaging unit

Problem: Sato CL4NX thermal printer (203 dpi) powered on but the display panel would not illuminate.

Solution: Technician followed service manual display diagnostics and confirmed ribbon connections were intact. Identified faulty main board (R32241602 / H02627001 CL4NX-Cont-REV 1.0) and control panel assembly (R29807000) as failed components. Customer opted to purchase a replacement unit rather than proceed

Problem: A Zebra 105SL Plus thermal printer in Charleston, SC was experiencing a ribbon sensor fault, preventing normal print operation.

Solution: Technician diagnosed a ribbon sensor fault on the Zebra 105SL Plus and performed a manual calibration to restore accurate ribbon detection. Unit tested and confirmed operational.

Problem: Zebra GX430t thermal printer on Sullivan's Island, SC was due for scheduled preventive maintenance (session 2 of 6).

Solution: Technician performed scheduled PM on the Zebra GX430t at 302,264 inches of use — cleaned internal components and verified printer configuration.

Problem: Brother MFC-L8900CDW reported a recurring yellow toner cartridge issue requiring repeated resets to restore normal operation.

Solution: Technician diagnosed the yellow cartridge reset fault on the Brother MFC-L8900CDW and performed the necessary corrective procedure to clear the persistent toner recognition error.

Problem: Zebra ZM400 thermal printer at an Isle Of Palms facility was due for a scheduled preventive maintenance visit as part of an ongoing multi-unit PM cycle.

Solution: Technician cleaned the interior of the ZM400, inspected the drive belt, and ran functional print tests to verify proper operation. Unit was confirmed in good working order following service.

Problem: Lexmark MC2535adw MFP in Hollywood, SC reported intermittent paper jams, with jams occurring most consistently when printing from a specific application.

Solution: Technician cleaned the printer and ran test prints, including duplex jobs from the flagged application, with no jams reproduced. Unit also displayed an expired toner cartridge alert; replacement cartridges were confirmed on order. Call closed after no further issues were reported. Printer was under

Problem: Zebra 105SL (200 DPI) thermal label printer at a Folly Beach facility was due for its first of four scheduled quarterly preventive maintenance visits.

Solution: Technician inspected and cleaned the Zebra 105SL (200 DPI) thermal printer, verified print quality met spec, and completed the first of four quarterly PM intervals.

Problem: A Zebra 105SL thermal printer in Hollywood, SC presented with vertical streaks running through the printed image on labels. The platen roller and drive belt showed no visible wear.

Solution: Diagnosed faulty printhead as the source of vertical streaking. Replaced the printhead (Part# G32432-1M, 203dpi), cleaned the printer, and verified output quality through test prints.

Problem: Datamax H-Class H6308 thermal printer due for scheduled preventive maintenance as part of a multi-unit PM visit.

Solution: Performed full preventive maintenance on the Datamax H-Class H6308. Cleaned internal components, adjusted settings, and verified operation. Customer advised to calibrate the unit regularly to maintain print quality.

Problem: HP LaserJet P2055dn was offline with no link activity on the network port and the network configuration menu absent from the printer's control panel.

Solution: Performed a factory reset to restore network menu access, reconfigured network settings, and coordinated with the customer's IT team to bring the printer online. Replaced the tray 2 pickup roller and separation pad due to wear, then cleaned and tested the unit. A subsequent offline condition require

Problem: A Printronix T8206 thermal printer in Ladson, SC was due for its fourth of seven scheduled preventive maintenance visits.

Solution: Technician cleaned the printer, platen roller, and printhead. Printhead replacement was noted as needed; replacement units are supplied through the contracted provider per existing agreement.

Problem: Four Zebra ZM400 thermal printers at an Isle Of Palms, SC facility were experiencing premature printhead failures, with no clear environmental cause identified at initial inspection.

Solution: Technician returned after research, disassembled all four ZM400 units, and used compressed air to clear accumulated dust and debris. Top case cracks were sealed with duct tape to prevent further particulate ingress, and rear openings were covered using cardboard and duct tape baffles. Two spare 203

Problem: A Zebra GX430t thermal printer was brought in with a broken media holder, leaving the unit unable to properly support label stock during print runs.

Solution: Replaced the media holder, adjusted darkness settings, cleaned internal components, calibrated, and tested the unit. A follow-up visit addressed poor print quality; the end user was instructed on proper settings adjustment.

Problem: Xerox Phaser 7800 laser printer in Hollywood, SC required fuser unit replacement.

Solution: Fuser unit sourced and ordered for the Xerox Phaser 7800, with the replacement part shipped directly to the customer's location.

Problem: A Zebra 105SL thermal printer in Ladson, SC was flagged for a PM29 diagnostic and reported sensor irregularities requiring further evaluation.

Solution: Technician identified sensor issues on the Zebra 105SL and restored print function by adjusting the DPI initial loadout. Internal test prints showed oversized output, so the IT department was engaged to run test prints through their system and validate operation with the wireless adapter before fina

Problem: Lexmark X792 laser printer on Isle of Palms reported cyan output issues, black toner streaking, and ghost images attributed to fuser wear.

Solution: Replaced the cyan cartridge on initial visit. Returned to install a new 40X7100 fuser and black toner cartridge (C792A1KG). Cleaned the machine thoroughly and tested output. All defects resolved; unit returned to service.

Problem: HP LaserJet M632 displaying a roller error and refusing to print.

Solution: Cleared an active paper jam, replaced worn feed rollers, and cleaned internal paper path components. Unit passed full print testing after service.

Problem: A Sato M10e thermal printer in North Charleston required service due to a worn platen roller causing print quality or media feed issues.

Solution: Replaced the platen roller assembly on the Sato M10e, then cleaned, calibrated, and tested the unit to confirm proper operation.

Problem: HP LaserJet 500 MFP M525f (CF117A) presented with random hang-ups, spontaneous shutdowns, error 49.38.03, and inability to send or receive faxes. The internal configuration page would display on-screen but vanish from the print queue without printing.

Solution: Performed full hard drive format and firmware update via USB. Installed ADF maintenance kit. Replaced fax module and formatter board; tested fax line and ruled out line-side issues. Printer passed all internal diagnostics and was flagged for refurbished inventory at 144,024 page count.

Problem: A Zebra 105SL thermal printer in Hollywood, SC required a full PM16 service intervention, with the printhead, platen roller, ribbon roller, tension spring, ribbon strip plate, and control panel all flagged for replacement.

Solution: Technician replaced the printhead (300 DPI, G32433M), platen roller (G32021M), ribbon roller kit (G32011M), toggle assembly (P1006101), ribbon strip plate, and control panel (48017). Unit was tested and confirmed operational after all components were installed.

Problem: Zebra 170Xi4 300dpi thermal printer not picking up labels; ribbon binding reported on second unit in a two-printer fleet.

Solution: Found a stalled print job in the Windows spooler on the primary workstation dating back over a week; restarted the spooler to clear the queue. Verified full printer functionality. Identified that Weber software was failing to print multiple copies correctly and was randomly submitting duplicate prin

Problem: Lexmark MS610dn producing black streaks down the page with missing characters, indicating image-quality defects on both sides of each printed page.

Solution: Inspection revealed a worn fuser (part 40X8023) causing streaking, with visible heat-roller wear marks confirmed on-site. Trays 1–4 pickup roller tires (41X0918) and separation roller assemblies (40X8444) showed significant wear consistent with an extended service interval. A repair quote was issued

Problem: Sato CL4Nx thermal printer displaying a buffer failure error, with the buffer filling to capacity and triggering a fault condition.

Solution: Traced the buffer overflow to 16 separate user logins, each with differing template dimensions. Print jobs from a failed login were remaining in the queue and carrying over to subsequent logins. The technician reviewed per-user driver configurations and Bartender settings with on-site staff to estab

Problem: Zebra ZM400 thermal printer in North Charleston reported sensor errors and required printhead adjustment.

Solution: Replaced the printhead (79800M) and platen roller (79815M), then cleaned and tested the unit to confirm proper operation.

Problem: Zebra ZT230 thermal printer reported print quality issues at a Summerville, SC business.

Solution: Technician replaced the printhead and platen roller on the Zebra ZT230, then cleaned and tested the unit to confirm restored print quality.

Problem: HP Color LaserJet MFP M277dw presented with a toner spill and color registration errors following a toner cartridge leak.

Solution: Vacuumed loose toner from the transfer belt area and cleaned the transfer roller with glass cleaner. Initial color calibration failed to correct registration. Toner cartridges were removed and reseated in the sequence prompted by the printer, followed by a second calibration cycle, restoring full co

Problem: Two Zebra thermal label printers — a ZT421 and a ZT420 — displayed persistent ribbon-out errors, indicating failed ribbon sensors, media sensors, and a worn printhead.

Solution: Ribbon sensors, media sensors, and a replacement printhead were sourced and installed on both units at the Goose Creek facility, returning each printer to full operation.

Problem: Zebra ZM400 (203 dpi) scheduled for quarterly preventive maintenance as part of a five-unit PM cycle at a Ridgeville, SC facility.

Solution: Technician cleaned the ZM400 and tested operation; inspection revealed a failed printhead with void banding. Returned to replace the printhead (DKN-104-8ZB400, 203 dpi) and confirmed proper print quality before closing the call.

Problem: HP LaserJet Managed E50045dw displaying error code 57.00.02, indicating a fan assembly failure.

Solution: Replaced Fan 2 (right side); error persisted. Escalated diagnostics identified the DC Controller (RM2-8614) as the root cause. DC Controller replaced, machine cleaned, tested, and confirmed operational.

Problem: A Sato M10e thermal transfer printer in the Dry End department was producing defective print quality, traced to a worn printhead and deteriorated platen roller.

Solution: Replaced the printhead (PR7A60101) and platen roller (RC1A60100). A binding printhead screw assembly required bench repair before the new head could be seated; once freed, the assembly was properly aligned, adjusted for image quality, cleaned, and returned to service at the customer site.

Problem: Datamax I-4310e thermal printer in Moncks Corner, SC reported intermittent printhead open error messages prior to a facility shutdown.

Solution: Technician inspected the printhead and found no physical defects. Printer was connected to the production machine and ran multiple test labels without errors or fault codes. Issue could not be duplicated at time of service.

Problem: Zebra GX430t thermal printer was due for scheduled preventive maintenance (5th service interval).

Solution: Technician performed full preventive maintenance on the Zebra GX430t at 546,103 inches of print history, including cleaning and configuration of the printer.

Problem: A Goose Creek, SC facility requested installation of two new Zebra ZT510 thermal printers.

Solution: Technician installed and configured both Zebra ZT510 units, verified print output, and confirmed print quality on each. The customer retained the previous printers for use as spare-parts donors.

Problem: A Ridgeville, SC business required four new industrial thermal printers to support their labeling operations.

Solution: Four Zebra ZT510 (ZT51042-T010000Z) 203dpi 4" thermal printers were sourced and shipped directly to the customer's facility.

Problem: HP Color LaserJet 5550 reporting error 13.20.00 — jam in top cover area — with no physical paper jam found and all sensor flags and cavities appearing intact.

Solution: Diagnosed error 13.20.00 as a faulty fuser assembly. Replaced fuser (RG5-7691) and Trays 2 & 3 feed rollers (RF5-3338), then cleaned and tested the printer to confirm full operation with no recurring jam errors.

Problem: Zebra GX430t thermal printer was due for scheduled preventive maintenance (session 4 of 4).

Solution: Technician performed full preventive maintenance on the Zebra GX430t at 433,756 inches of use, including internal cleaning and configuration verification.

Problem: HP LaserJet M506 display screen malfunctioning, preventing normal operation at a Folly Beach business.

Solution: Reseated all internal cables and power cord, restoring display function. Technician noted heavily worn feed rollers across all trays and documented current page count. Fuser operational at time of service.

Problem: Zebra 110Xi4 thermal printer reported a head open sensor error and incorrect media mode configuration, with labels failing to stop at the tear bar.

Solution: Diagnosed mismatched 600 dpi printhead installed in a 203 dpi unit. Replaced printhead (P1004230, 203 dpi), platen roller (G41011M), and drive belt (P1006066). Corrected media mode from Thermal Transfer to Direct Thermal. Cleaned and tested printer to confirm proper operation.

Problem: Lexmark MS610 laser printer in Ridgeville, SC reported a fuser error, halting print operations.

Solution: Technician replaced the fuser assembly (part 40X8023), then cleaned and tested the printer to confirm normal operation.