Plotter Repair Service History — Atlanta, GA

Problem: HP DesignJet T2600 buffering for hours before attempting a large print job from Microsoft Project, with multiple error 80 codes in the log indicating system or firmware errors.

Solution: Reviewed error log showing repeated error 80 entries — analogous to 49 errors on laser printers — pointing to a corrupt or malformed print job. Coordinated with HP warranty support; HP dispatched their own technician and confirmed the root cause was a bad print job.

Problem: HP DesignJet T2300 wide-format plotter due for bi-annual preventative maintenance service.

Solution: Technician cleaned the HP DesignJet T2300, inspected the carriage belt, and verified print quality. Ink levels and printhead statuses were reviewed and confirmed within acceptable parameters.

Problem: HP DesignJet T795 displayed an 08:11 error. The progress bar hung at 1% during boot before the error appeared; power cycling and removing all supplies had no effect.

Solution: Replaced the formatter with hard drive (part# CN727-67042). Cleaned and tested the plotter; the 08:11 error was resolved and the unit returned to normal operation.

Problem: HP DesignJet 510 42" reported printhead warning errors, absent black output, and faded colors across remaining channels despite recent ink replacement.

Solution: Replaced all four printheads and lubricated the carriage rod. Ran internal diagnostics and performed printhead alignment with no failures. Isolated a secondary no-print condition to incompatible legacy CAD software; Windows test pages and Adobe PDFs printed correctly. Advised the customer to request

Problem: HP DesignJet T2300 MFP 44" throwing a 79.2:04 error code, with related 09:04 and 08:04 errors logged across multiple prior incidents.

Solution: Attempted firmware rollback; plotter rejected downgrade. Performed EEROM reset with no subsequent failures observed onsite. Ran full diagnostics — no hardware faults detected. Consulted HP support; no firmware update addressing these errors was available. Four firmware versions had been trialed acro

Problem: HP DesignJet T830 MFP 24" reported a line sensor error and could not detect paper during operation.

Solution: Cleaned the line sensor and service station brush. Replaced the line sensor (F9A30-67052) and service station (CQ890-67001). Two successive replacement printheads (F9J81A) were received DOA — the first leaked heavily, the second deposited insufficient ink. The original printhead was cleaned and rein

Problem: HP DesignJet T520 plotter presented with carriage belt issues affecting print operation.

Solution: Replaced all components in the carriage belt kit, then performed calibration and functional testing to confirm proper operation.

Problem: Customer sought a replacement for an aging HP DesignJet T520 36-in wireless plotter and needed a cost-effective upgrade with full installation.

Solution: Sourced and delivered an HP DesignJet T630 36-in wireless plotter (5HB11A). Technician assembled legs, braces, and output catch net, performed printhead alignment and print test via sheet feeder, then installed the unit at the customer site.

Problem: HP DesignJet T830 wide-format plotter displayed a recurring 'Carriage Jam' error prompting inspection of the print zone for obstructions.

Solution: No paper or physical obstruction was found. The ink tube connector's blue locking lever was broken — likely damaged during the customer's own jam inspection — though the locking mechanism itself remained functional. The technician properly seated and locked the ink tube connector to the printhead as

Problem: HP DesignJet T830 MFP in Norcross reported a paper jam with no visible obstruction, followed by print-quality defects — lighter colors rendering with a pinkish cast and black horizontal banding across all color blocks on diagnostic output.

Solution: Technician found the carriage belt had displaced from the right-side pulley; belt was reseated and media reloaded, restoring ready status. Subsequent print-quality diagnosis via Print Quality Diagnostic Page revealed horizontal banding across all color blocks. Head alignment and manual cleaning did