Service History — San Antonio, TX — Page 3

Problem: HP LaserJet MFP M527z producing smeared output on the first 10 or so pages each morning, with print quality returning to normal after the unit warmed up.

Solution: Diagnosed intermittent smudging as a cold-fuser performance issue. Sourced and installed a replacement fuser unit, then cleaned and test-printed the M527z to confirm consistent output across all pages.

Problem: Customer in Universal City, TX requested new installation of an HP DesignJet T830 36" multifunction wide-format printer.

Solution: Technician delivered and installed the HP DesignJet T830 36" multifunction wide-format printer on-site. Serial number was confirmed upon installation and the call was closed.

Problem: HP LaserJet MFP M630 toner cartridge was stuck and could not be removed due to a broken toner release lever.

Solution: Cleaned the machine and instructed the customer on manual toner removal. Diagnosed a broken toner rod link (RC4-5729). Replaced the rod link assembly, wiped down the machine, and tested to confirm proper cartridge installation and cover closure.

Problem: HP LaserJet M608 presented with multiple issues: frequent paper jams, delayed print response, intermittent failure to print, and slow output when printing from a company application with a remote Midwest server.

Solution: Replaced pickup and feed rollers (RM2-1275, RM2-6772) from customer-supplied stock. Diagnosed slow printing as application/server-side latency rather than a hardware fault. Disabled WS-Discovery and corrected the port setting on the print driver to resolve connectivity-related print delays.

Problem: HP Color LaserJet M477fdw displaying a 59.F0 error and refusing to print.

Solution: Diagnosed 59.F0 error to a failed intermediate transfer unit (ITU/transfer belt RM2-6454). Replaced the ITU along with the Tray 2 pickup roller (RM2-5576), feed roller (RM2-5577), and separation roller (RM2-5881). Cleaned and tested the printer; all functions restored.

Problem: Lexmark MS821n displaying a persistent 'Replace Cartridge' error after the customer replaced the toner cartridge and drum unit and IT updated the firmware.

Solution: Technician cleaned the printer, reseated the transfer roller, and verified the latest firmware was installed. Error did not reproduce during the visit. On follow-up, the error recurred once daily but cleared each time the toner cartridge was reseated, confirming the printer remained fully functional

Problem: HP LaserJet M632 required ADF maintenance kit replacement.

Solution: Two ADF maintenance kits were ordered for the HP LaserJet M632 and shipped directly to the customer's location for installation. Parts were initially on backorder; kits shipped once stock became available.

Problem: Lexmark MB3442adw MFP repeatedly displayed 'Engine Error 126.07A Service LVPS Error' on boot, cycling through recovery prompts without completing startup.

Solution: Diagnosed a failed low voltage power supply (LVPS). Replaced the LVPS with part 41X2590, cleaned the unit, and tested. Printer booted and operated normally. Driver and firmware updates were also recommended to address a pre-existing intermittent first-job print failure.

Problem: HP DesignJet T795 44" plotter not feeding media properly, compounded by unrecognized ink cartridges, failed printheads, and persistent ink system errors that prevented normal operation.

Solution: Replaced ink supply station (Q6683-60188), ink tube assembly (CN727-60097), line sensor (Q6683-67004), gray ink cartridge (C9374A), magenta/cyan printhead (C9383A), and gray/photo black printhead (C9380A). Manually primed ink lines via syringe to resolve false ink-empty errors. Performed factory res

Problem: HP LaserJet M605 reported needing a fuser replacement and feed roller service at a Universal City, TX location.

Solution: Replaced the fuser assembly and secondary feed rollers. Reset the maintenance counter, cleaned the machine, and tested to confirm normal operation.

Problem: HP LaserJet M607 in Somerset, TX was leaving repetitive marks on printed pages.

Solution: Replaced the fuser maintenance kit and thoroughly cleaned the machine. Print quality was verified through test pages before closing the call.

Problem: HP LaserJet M609 producing poor print quality with ghosting artifacts across printed pages.

Solution: Installed a main maintenance kit and reset the page count. Post-installation test confirmed ghosting was eliminated and print quality restored to spec.

Problem: Lexmark T654 laser printer in Boerne, TX failed to recognize Tray 1, intermittently dropping tray detection regardless of paper loaded.

Solution: A replacement tray and holder were tested but exhibited the same intermittent recognition failure, pointing to worn plastic chassis guide rails causing excessive tray play. Tray 1 autosensing was disabled via the configuration menu and set to manual Letter-size selection, restoring reliable print op

Problem: HP LaserJet M402dn displaying a Supply Memory Error after the toner cartridge had been replaced multiple times.

Solution: Technician tested each available toner cartridge individually to isolate the defective unit. Reinstalled the original cartridge to clear the error, then seated a verified good cartridge. The defective cartridge was retrieved and returned to the vendor for processing.

Problem: Lexmark MS531 laser printer in Schertz, TX submitted for service; serial number documentation was required before work could proceed.

Solution: Technician located the Lexmark MS531, photographed the serial number label on the unit, confirmed the installation location, and completed the documentation intake process.

Problem: Lexmark MS821n laser printer was due for scheduled preventive maintenance and required a replacement maintenance kit.

Solution: Technician sourced and installed a manufacturer-specified maintenance kit on the Lexmark MS821n, completing the preventive maintenance service on-site.

Problem: HP LaserJet MFP M527 ADF producing loud grinding noise and shaking the unit during document feeding operations.

Solution: Technician inspected the automatic document feeder, identified improper gear contact as the cause of grinding and vibration, cleaned the machine, and replaced the ADF assembly (part B5L47-67908). Unit tested and returned to normal operation.

Problem: Canon imageCLASS D320 copier brought in unable to feed paper from either tray.

Solution: Replaced Tray 1 pickup roller (RL1-0303) and Tray 1 separation pad (RF0-1014-020), along with the Tray 2 pickup roller and Tray 2 separation pad. Cleaned and tested the unit to confirm proper paper feed operation.

Problem: HP Color LaserJet M570dn reported producing poor print quality with visible lines appearing across printed pages.

Solution: Technician cleaned and evaluated the unit. Diagnostics identified a worn tray 2 feed kit, failing transfer belt, and depleted magenta toner cartridge. A quote was issued for the required replacement parts.

Problem: HP LaserJet M608 in Somerset, TX producing very light printouts. Toner and fuser had already been replaced with no improvement. Transfer roller found unseated; hinge cover missing.

Solution: Cleaned the machine and reseated the transfer roller. Identified missing transfer hinge cover as root cause of assembly ejection. Sourced and installed OEM RC4-8188 transfer hinge cover. Print quality restored and unit confirmed operational.

Problem: HP LaserJet MFP M527 reporting error 31.03.33 with duplex second-side black imaging failure and a scanner error condition.

Solution: Cleaned the machine, replaced the ADF assembly (B5L47-67908), three pickup rollers (RM2-5741) for trays 2–4, and three separation rollers (RM2-5745) for trays 2–4. Unit tested and confirmed operational.

Problem: HP Color LaserJet M477fnw presented with ADF streak lines during scanning, ghost images on printed output, and random paper jams from Tray 2.

Solution: Cleaned scanner glass to clear ADF lines. Replaced integrated scanner assembly (CF377-60104), fuser (RM2-6431), pickup roller (RM2-5576), feed roller (RM2-5577), and separation roller (RM2-5881) to resolve jamming and ghost-image defects.

Problem: HP LaserJet M506dn in Boerne, TX presented with error code 55.00.05, indicating a DC controller or formatter fault.

Solution: Technician performed an engine control test with the error active to isolate the formatter as the root cause. Replaced the formatter (F2A68-67915), tray 2 pickup roller assembly, and separation roller assembly (F2A68-67913 kit). Cleaned and tested the printer to confirm full operation.

Problem: HP Color LaserJet MFP M680 reported scanner issues with repeated ADF jams and a 31.03.02 error code — the jam location could not be detected by the machine.

Solution: Diagnosed 31.03.02 ADF fault consistent with a known issue on the M680 platform. Replaced ADF assembly (CZ248-67916 / B3G86-67901), ITB (CC493-67909 / CE249A), toner collection unit (CE265A), and all tray roller kits (B3G84-67905). Reset ADF counter, calibrated, and tested with multiple 2-sided prin

Problem: Lexmark MX310dn MFP in Schertz, TX displayed a persistent 'Replace Image Unit' error even after the customer had already replaced the imaging unit.

Solution: Diagnosis determined that an unmarked compatible toner cartridge was triggering the false 'Replace Image Unit' error — the MX310dn requires part #60F1H00 toner, which is not interchangeable with MS-series cartridges despite sharing the same imaging unit. Two OEM MX310-specific toner cartridges clear

Problem: Customer requested procurement of a new Lexmark MS331dn laser printer for their accounting department in San Antonio, TX.

Solution: A new Lexmark MS331dn was sourced and shipped to the customer's location. The unit was delivered and installed at the accounting department.

Problem: Lexmark MS810 laser printer in Helotes displaying error 31.43 — 'Reinstall Missing Cartridge' — with toner cartridge not being detected by the machine.

Solution: Cleaned toner cartridge contacts on the Lexmark MS810. Toner cartridge confirmed defective and replaced from stock. Unit tested and verified clear of error 31.43 prior to close.

Problem: HP LaserJet M604 reported due for maintenance kit replacement.

Solution: Installed fuser maintenance kit on the HP LaserJet M604. Cleaned the machine and tested operation to confirm proper function before closing the call.

Problem: HP DesignJet Z3200 plotter presented with a blank, backlit display and had reportedly never functioned for the receiving department.

Solution: Technician removed all ink cartridges, cycled power, reloaded media, and encountered error 52:01 (clean printhead drop detector). A printhead alignment failed, and reseating all printheads triggered error 79:04. A diagnostic page printed but all colors were absent. Repair quotes were issued for all

Problem: Xerox VersaLink C505 laser printer in Schertz, TX brought in for routine maintenance and general evaluation.

Solution: Technician performed on-site evaluation of the VersaLink C505 and identified components requiring replacement. A parts quote was submitted; the customer declined the repair.

Problem: HP LaserJet MFP M630 failing to detect correct media size when copying from the flatbed scan glass.

Solution: Cleaned the flatbed scan glass assembly, performed scanner calibration, and verified correct size detection through post-calibration copy testing.

Problem: HP LaserJet M602 in a shared commons area was due for preventive maintenance as part of a multi-unit service visit covering approximately five M601/M602 printers.

Solution: Performed PM on HP LaserJet M601/M602 (S/N CNCCG570PF). Replaced two pickup rollers and four feed rollers, cleaned internal components, and tested the printer to confirm proper operation.

Problem: HP LaserJet M830 reporting recurring 13.A7.D4 and 13.A8.D5 jam error codes traced to Tray 4 and Tray 5, with label arm band media being loaded in small stacks rather than full reams.

Solution: Advised proper media loading practices to reduce sheet adhesion. Replaced four pickup rollers from stock, installed a Cross Feed/Merge Assembly and a Tray 4 Paper Pickup Assembly. Tested after installation with no fault recurrence.

Problem: HP LaserJet Enterprise 700 Color MFP M775dn producing streaks across the top of every page at 289,272 page count.

Solution: Diagnosed streaks to a failed transfer belt (CE516A) and fuser assembly (CE514A); worn Tray 2 pickup/separation roller kit (CE710-69007) and six Tray 3/4 feed/separation rollers (RM1-0037) were also found. Replaced the fuser, ITU, secondary transfer roller, and all affected tray rollers. Cleaned and

Problem: HP LaserJet M606 reported jamming at the exit section, with paper sustaining damage during the jam.

Solution: Replaced the tray 3 separation roller and fuser assembly. Cleaned the paper path throughout and tested the printer to confirm jam-free operation.

Problem: HP Color LaserJet MFP M477fdw reported a 59.0240 error, indicating a failed ITB (intermediate transfer belt) assembly.

Solution: Technician diagnosed the 59.0240 error and confirmed the ITB assembly required replacement. The customer declined the repair and opted to replace the unit instead.

Problem: HP LaserJet MFP M527 reported jamming internally when printing in duplex mode.

Solution: Cleaned the machine, replaced the fuser maintenance kit (RM2-2585) and ADF platen assembly (5851-6570). Duplex operation confirmed normal after testing.

Problem: HP Color LaserJet MFP M479 brought in for scheduled preventative maintenance (second of two units).

Solution: Technician performed preventative maintenance on the HP CLJ MFP M479. Glass inspected and cleaned; all rollers confirmed with adequate grip. Page count cycles were low. No defects or issues found during inspection.

Problem: HP Color LaserJet M570dn MFP reported with a broken ADF door hinge, preventing the automatic document feeder from picking and pulling paper.

Solution: Replaced the broken ADF door hinge (CF288-60030) and ADF maintenance kit (A8P79-65001), then cleaned and tested the unit to confirm proper document feeding.

Problem: HP LaserJet 4350n reported persistent paper jams at the top output area and an active fuser error.

Solution: Replaced the fuser assembly (Q5407A) and reset the main page count. Cleared sticky residue from the exit sensor flags, restoring proper jam detection and print output.

Problem: HP LaserJet MFP M830 reported a 57.00.02 error code, indicating a fan failure within the printer's internal cooling system.

Solution: Diagnosed 57.00.02 error as a failed controller fan. Replaced the controller fan (RK2-2728). Cleaned and blew out the entire machine, then tested to confirm normal operation.

Problem: Lexmark X652de laser printer in New Braunfels displayed a 900 firmware service message and was flagged for a potential firmware upgrade.

Solution: Technician identified the printer was connected to a surge protector, which was triggering the 900 service message. Relocated the unit to a direct wall outlet, clearing the error. Rollers and glass were cleaned. Firmware upgrade was deemed unnecessary.

Problem: Customer procured a new HP LaserJet MFP M527z and required on-site delivery, hardware setup, and initial fax configuration.

Solution: Technician unboxed and tested the HP LaserJet MFP M527z, delivered the unit, and configured fax settings. Fax transmission could not be completed—tech support confirmed an external fax accessory was required, to be addressed by the customer's internal IT staff along with driver installation and scan

Problem: Lexmark MS810n laser printer in Schertz, TX repeatedly jammed as paper exited the rear of the unit, a recurring issue first observed approximately three months prior.

Solution: Technician inspected the exit path and found the upper redrive assembly broken. Replaced the upper redrive assembly, then cleaned and test-printed the unit to confirm normal paper feed through the output section.

Problem: Customer requested purchase and delivery of a new Lexmark MB3442adw multifunction laser printer with an additional paper tray.

Solution: New Lexmark MB3442adw MFP and supplemental paper tray sourced and delivered to the customer's San Antonio location. The additional tray shipped separately due to a national backorder and was delivered once stock became available.

Problem: San Antonio business requested procurement of an HP DesignJet T830 36" wide-format plotter.

Solution: HP DesignJet T830 36" plotter sourced and ordered through the supplier channel; unit shipped via freight carrier to the customer's San Antonio location.

Problem: Newly purchased HP DesignJet T830 24-in MFP (F9A28A) exhibited error 0042-0117 — no carriage movement — with the carriage traveling approximately 3 inches from home position before returning.

Solution: Assembled stand and mounted printer. Manual carriage inspection found no obstruction; HP dispatched a factory rep, but the unit was deemed defective and approved for replacement under RMA. Technician boxed and returned the original unit, then installed and network-connected the replacement T830, con

Problem: Lexmark MC3426 laser printer reported a fuser issue at a Schertz, TX office.

Solution: Technician replaced the fuser assembly on the Lexmark MC3426 (84,219 page count) and tested the unit to confirm proper operation. An additional replacement fuser was ordered at the customer's request.

Problem: HP Color LaserJet M551 reported error code 59.00. A previously installed maintenance kit did not clear the error, and the machine continued throwing fuser and jam-related faults.

Solution: Technician replaced the fuser drive assembly, tray 2 feed and separation rollers, fuser (CF081-67905), registration assembly (RM1-5009), and pickup drive assembly (RM1-8135). Event log review confirmed overlapping 59.00 and 41.07.12 errors dating back several months. Each component replacement was t

Problem: Lexmark MS811 laser printer in the Receiving department required scheduled maintenance, including inspection and cleaning as part of a recurring service cycle.

Solution: Technician inventoried the Lexmark MS811, replaced the Tray 1 pickup roller assembly and Tray 1 separation roller assembly from field stock, then cleaned and tested the printer to confirm proper operation.