Service History — Hollywood, CA — Page 3

Problem: HP LaserJet P4515 reported for poor print quality at a Pasadena, CA office.

Solution: Inspection revealed foreign material consistent with clear tape adhered to the fuser assembly, causing print defects. Fuser unit (HP CB506-67901, 110/120V) was identified for replacement.

Problem: HP Color LaserJet MFP M575 throwing error 41.07.12 during print jobs, with additional reports of random color ghost prints.

Solution: Diagnosed error 41.07.12 as a paper mismatch fault; tray guide was not set to Letter. Corrected tray settings and cleaned scanner glass to eliminate streaking. Error persisted on large jobs from Tray 2; defaulted output to Tray 1 pending further resolution. Fuser at 10% life. Replaced fuser (CE484A)

Problem: HP LaserJet 600 M601n in Los Angeles reported an intermittent squeaking noise during operation.

Solution: The customer replaced the toner cartridge before the technician inspected the unit. The squeaking ceased following the cartridge swap, and no further service was required.

Problem: HP Color LaserJet M577 experiencing repeated document feeder jams, preventing reliable scanning and copying operations.

Solution: Replaced the ADF assembly (B5L47-67906) on the HP CLJ M577. Unit was cleaned and tested following installation to confirm proper document feed operation.

Problem: HP LaserJet P3015 reported with suspected fuser issue. Inspection confirmed the fuser maintenance kit required replacement.

Solution: Replaced the fuser maintenance kit (CE525-67901) on the HP LaserJet P3015. Cleaned the machine and tested to confirm proper operation.

Problem: HP DesignJet T830 (24") producing streak bands across printed output and scans.

Solution: Calibrated the printhead and scanner to address streak banding. Firmware updated. Scanbar assembly (F9A28-67012) identified as likely required component; repair was ultimately not pursued.

Problem: Xerox WorkCentre 6605DN presented multiple issues: torn paper lodged at the rear of the unit, warped media in the tray, and worn feed rollers requiring replacement.

Solution: Disassembled rear of the printer to extract multiple torn paper fragments. Removed and discarded warped stock from Tray 2. Cleaned and replaced feed rollers, roller kit (604K77980), transfer kit, and imaging kit (675K47673, 675K47672, 675K47671, 675K47670, 604K55370, 604K77672) from customer stock.

Problem: HP Color LaserJet MFP M477fdw producing unclear prints across all output.

Solution: Technician performed a full printhead and duplex/cleaning assembly cleaning. Diagnosis confirmed air contamination within the printhead that could not be cleared. Replacement printhead required; customer elected not to proceed with the repair.

Problem: Customer in El Monte, CA required new multifunction printer units — HP Color LaserJet M479fdn MFP and HP LaserJet M428fdn MFP.

Solution: Arranged procurement and shipment of two HP CLJ M479fdn MFP and two HP M428fdn MFP units to the customer's location via freight and ground courier.

Problem: HP LaserJet MFP 4555fskm in Anaheim reported multiple issues: repeated duplicate print output and blank pages appearing between print jobs.

Solution: Technician rebooted the printer and network, cleaned the machine, verified all tray settings, and updated firmware to the latest version (3.9.8). Functionality confirmed restored through post-service testing.

Problem: HP LaserJet P3010 reported persistent paper jamming at a Culver City, CA office.

Solution: Installed a fuser maintenance kit on the HP LaserJet P3010, performed a thorough internal cleaning, and tested the unit to confirm jam-free operation.

Problem: Lexmark XS734de multifunction laser printer producing blue vertical streaks down printed pages.

Solution: Diagnosed a faulty cyan photoconductor unit as the source of the streaking. Replaced the defective cyan photoconductor with an in-stock unit; toner was ruled out first. Test prints confirmed the streaking was eliminated.

Problem: HP LaserJet M608n producing faded output on the left side of each page; customer had already replaced the toner cartridge without improvement. Tray 2 also exhibiting frequent paper jams.

Solution: Cleaned the transfer roller, resolving left-side image fading. Inspected tray 2 and found the pickup roller assembly and separation roller assembly heavily worn; replaced both from stock. Printer tested and confirmed feeding and printing correctly.

Problem: An HP LaserJet M501dn presented with a stuck label lodged inside the printer, disrupting normal operation.

Solution: Removed the stuck label from the printer interior. Replaced the Tray 2 and Tray 3 pickup roller assemblies and separation roller assemblies. Cleaned and tested the unit to confirm proper media feed.

Problem: HP LaserJet Enterprise Flow M525c MFP ADF not pulling paper — feeder recognized loaded documents but the pickup roller assembly failed to engage or rotate during scan and copy jobs.

Solution: Replaced the ADF assembly (CF116-67922), Tray 2 pickup roller (RM1-6323), and Tray 2 separation pad (RM1-6303). Cleaned and tested the printer to confirm proper document feeding.

Problem: HP LaserJet MFP M527 in Pasadena producing distorted, warped scan output.

Solution: On-site evaluation was scheduled; the customer cancelled prior to the service visit and opted to replace the unit.

Problem: HP Color LaserJet 700 M775 required a transfer kit replacement.

Solution: Installed a new transfer kit and included rollers on the HP CLJ 700 M775. Page count reset was unavailable due to the Admin menu being disabled on the device.

Problem: HP DesignJet T2300 eMFP 44" presented with a broken carriage belt clip, service station failure at boot and in diagnostics, and an 08:04 error code.

Solution: Replaced carriage assembly and service station; oiled carriage rod. Unit locked up at 94% boot — removing printheads resolved the stall. One faulty printhead identified; print quality issues noted. Customer advised to install two replacement printheads using available spare. Potential hard drive fau

Problem: Lexmark MS810 laser printer in Culver City jamming when feeding letterhead stock through the multipurpose tray; standard invoice paper fed without issue.

Solution: Replaced the multipurpose tray feed/pick roller. Post-replacement diagnostics cleared, but letterhead continued to jam. Inspection revealed curl along both short edges across the entire paper supply — multiple boxes affected, consistent with moisture absorption from high-humidity storage conditions.

Problem: HP LaserJet P4015 reporting a 50.7 fuser error. Rollers required replacement and exit sensor flags needed cleaning.

Solution: Replaced the fuser assembly to clear the 50.7 error. Installed new rollers from customer stock. Cleaned sticky residue from all three exit sensor flag contact points. Fabricated self-tapping steel screw fixes for broken tray guides on seven of eight cassette trays, resetting each to letter-size posi

Problem: HP Color LaserJet CP4525n not responding to print jobs — jobs sent from workstations disappeared without output, with the printer showing a ready status and no error codes displayed.

Solution: Replaced two feed rollers, performed a full interior cleaning, and ran a complete calibration cycle. A live test print job confirmed normal output before closing the call.

Problem: HP LaserJet Enterprise M605X cassette tray would not seat properly — tray was warped with a hairline crack on the side that caused it to bind during insertion.

Solution: Replaced the damaged cassette tray (RM2-6296-000CN), cleaned the interior of the printer, and inspected the paper feed rollers. Confirmed proper tray seating and feeding under test.

Problem: Lexmark MS810 laser printer in Santa Monica was multi-feeding — pulling two pages simultaneously through the paper path across all three trays.

Solution: Replaced pickup roller assemblies (40X7593) and separation roller assemblies (40X7713) in Trays 1, 2, and 3. Cleaned the paper path and tested the printer to confirm single-sheet feed operation.

Problem: HP DesignJet T770 wide-format plotter in El Monte reported randomly powering off during operation.

Solution: Remote triage initiated; customer cancelled the service call before an on-site visit was completed. No parts replaced or repairs performed.

Problem: Lexmark MS610 laser printer in Glendale, CA displayed a maintenance low message, and the printed image exhibited a light void.

Solution: Replaced the fuser, Tray 1 and Tray 2 pickup roller assemblies, and Tray 1 separation roller assembly. A light void in output prompted replacement of the image unit as well. Cleaned and tested the printer to confirm proper operation.

Problem: HP LaserJet M806 was due for scheduled maintenance and required a full maintenance kit replacement.

Solution: Installed a complete maintenance kit on the HP LaserJet M806 and tested the unit. Configuration page retrieval was not possible due to the printer's existing configuration settings.

Problem: HP LaserJet 500 MFP M525f throwing error 99.09.62 and refusing to print.

Solution: Diagnosed error 99.09.62 as a failed internal hard drive (CF117A). Multiple HD replacements and firmware loads were performed per HP procedures before a confirmed bad replacement unit was identified and exchanged. Final repair involved installing a verified replacement HD, loading firmware, cleaning

Problem: HP LaserJet 9050dn experiencing recurring daily paper jams across Tray 2 and Tray 3. Unit has exceeded one million total pages printed, with widespread wear across internal components.

Solution: Diagnosed chronic jamming as a result of end-of-life wear on the Tray 2/3 paper pickup assembly (RG5-5681). A repair quote was issued for the input unit; however, parts availability could not be confirmed and the call was closed pending procurement.

Problem: Lexmark MS610dn laser printer at a Beverly Hills location was due for preventive maintenance as part of a multi-unit service visit.

Solution: Technician performed a full preventive maintenance service on the Lexmark MS610dn — cleaning internal components throughout and completing a functional test to confirm proper operation.

Problem: HP LaserJet 600 M601 brought in for preventive maintenance cleaning.

Solution: Cleaned interior of HP LaserJet 600 M601 and inspected all feed rollers. Rollers showed no significant wear and retained adequate grip. Printer tested and cleared for normal operation.

Problem: HP LaserJet MFP E52645 reported a fax modem not detected error, preventing fax functionality at a medical arts facility mail room.

Solution: Diagnosed error 98.00.02 on restart without phone line attached and 99.00.02 with line connected. Loaded firmware via Preboot mode to resolve error code 99.00. Performed partial HDD clean, reconfigured the device, and tested print, copy, scan, and fax functions. Cleaned the unit before closing.

Problem: HP Color LaserJet MFP M479fdw reported a scanning error and would not complete scan jobs.

Solution: Technician reconfigured MFP scan-to-folder settings and corrected the source selection. Cleaned scanner glass and verified full scanning functionality across all modes.

Problem: HP LaserJet M604 reporting recurring jams at two locations — the fuser assembly and the registration assembly — with an error prompting the user to open the top cover.

Solution: Technician ran diagnostic print cycles to reproduce the fault. Rollers showed no wear and tray guides were properly set. Error codes pointed to both assemblies, with jam lead-edge consistently at the fuser. Replaced the registration assembly (RM1-8413-000CN), paper feed assembly (E6B67-67901), and f

Problem: A Lexmark T640 laser printer, one of multiple recently acquired units, required inspection to verify operational condition before being placed into service.

Solution: Technician cleaned the unit of accumulated dust and replaced the feed rollers (parts 40X1765 and 99A0070) to restore reliable paper handling. Printer was tested and confirmed operational.

Problem: Lexmark CX510de producing black smudging along the left side of every page and displaying a 'Replace Black Imaging Kit' alert.

Solution: Inspection revealed a depleted Black Imaging Kit (70C0Z10), heavily worn ADF pickup roller assembly (40X8736), worn ADF separation roller (40X9108), and worn pick tires in trays 1 and 2 (40X5168). A repair quote was issued; the customer did not authorize the work and the call was closed.

Problem: HP LaserJet M602x reported as requiring a maintenance kit.

Solution: Maintenance kit was ordered and shipped to the customer's location. The customer confirmed the part was for their own stock and no on-site technician was needed. Call closed without a site visit.

Problem: HP LaserJet MFP M527f in Oxnard producing smudged output across printed pages.

Solution: Diagnosed smudging to a toner cartridge at 10% capacity. Cleaned the printer and confirmed the depleted cartridge as the source of the defective image. Customer was advised in writing to replace the toner cartridge.

Problem: HP LaserJet M608 reported paper feed issues requiring tray 2 roller assembly replacement.

Solution: Replaced tray 2 pickup rollers using W021571 maintenance kit. Initial rollers from the kit were defective due to inconsistent third-party manufacturing. Rollers were swapped, RM2-0878-000 paper pickup assembly was returned, and the unit was thoroughly tested to confirm reliable feed operation.

Problem: HP DesignJet T3500 reported error code 39.11:01.

Solution: After the customer reloaded the paper, error 39.11:01 cleared and did not recur. No on-site visit was required; the call was closed with no further issues reported.

Problem: HP LaserJet 500 M525 in Pasadena, CA reporting a paper size mismatch error on both copies and print jobs.

Solution: Inspected Tray and found sheets wedged against the front wall, forcing remaining paper to angle upward and triggering size-mismatch faults. Removed the misloaded stock, reloaded the tray correctly, and confirmed the error cleared across multiple test copies. Pulled the error log, which showed a patt

Problem: HP Color LaserJet M452nw presented for scheduled preventive maintenance at 36,050 page count.

Solution: Performed PM7-level service on the HP Color LaserJet M452nw: completed full cleaning cycle, inspected components, and tested print output. Device returned to spec.

Problem: HP Color LaserJet Pro MFP M477 producing smeared output; on-site inspection revealed repeating ghosting image along the left side of prints and intermittent paper jams.

Solution: Checked toner levels (all at 100%) and printed usage page confirming 48,126 total pages — within fuser end-of-life range. Diagnosed fuser assembly as root cause of ghosting. Customer opted to replace the unit rather than repair.

Problem: Lexmark MS810 laser printer in Glendale, CA reported a persistent service error 121.22, indicating a fuser maintenance fault at 236,492 pages.

Solution: Performed a general PM; error 121.22 persisted, confirming fuser failure. Ordered and installed Fuser Maintenance Kit (PN 40X8420). Error cleared and printer returned to full operation.

Problem: HP LaserJet 9050 required decommissioning and preparation for outbound freight shipment from the customer's Anaheim, CA location.

Solution: Unit was picked up from the customer site, transported to the repair facility, and palletized and prepared for freight shipment.

Problem: HP LaserJet M425dn reported recurring paper jams.

Solution: Inspection revealed paper stock with excessive moisture. Replaced the paper supply and installed a new Tray 2 pick-up roller assembly (RM1-9168). Cleaned the paper path and tested to confirm jam-free operation.

Problem: Brother MFC-L8900CDW producing pages with a wrinkled crease running down the length of the output.

Solution: Inspection confirmed a faulty fuser unit as the source of the wrinkling. Customer declined repair after receiving the quote. Call closed.

Problem: HP DesignJet Z3200 in Pasadena, CA displaying error code 02.1.10, preventing normal plotter operation.

Solution: Diagnosed error code 02.1.10; identified potential failure points including the main board, carriage assembly, and trailing cable. The call was ultimately cancelled — the vendor covering the unit's 90-day depot warranty assumed responsibility for the repair.

Problem: HP LaserJet Managed E52645dn reported two issues: ADF requiring a maintenance kit replacement, and the printer failing to wake from sleep mode when print jobs were sent.

Solution: Installed the ADF Maintenance Kit, updated firmware, disabled the Auto Off After Sleep option, and adjusted the Sleep Setting from 0 to 118 minutes. Cleaned and tested the unit. Customer advised IT to update the printer driver if intermittent wake-from-sleep behavior persisted.

Problem: HP LaserJet 4250tn was stuck in a loop waiting for the paper tray to lift, preventing the printer from initializing a print cycle.

Solution: Inspection revealed a paper jam in the registration assembly and a broken Tray 3 mechanism. Cleared the jam and confirmed feed operation with a 50-page test print. Tray 3 requires replacement with an RM1-1088 500-sheet tray assembly.

Problem: Customer in El Monte, CA required a replacement for an aging HP DesignJet 500 wide-format plotter.

Solution: New HP DesignJet T130 24" procured and shipped to the customer's location via freight, replacing the HP DesignJet 500.