Plotter Repair Service History — Austin, TX

Problem: HP DesignJet 510 42-inch plotter displayed a printhead cover error, prompting the message to open the window and confirm the printhead cover was properly closed.

Solution: Inspection revealed the carriage belt (C7770-60014) was severely damaged. The belt was replaced, the printer was cleaned, and full functionality was confirmed through testing.

Problem: HP DesignJet T1100ps in Leander, TX reporting recurring media jams and error 86:01, with the carriage stopping abruptly mid-print at inconsistent positions and the plotter entering a loop after paper load.

Solution: Technician performed full diagnostic after a prior visit had ruled out the encoder strip, carriage belt, cutter, service station, and starwheel assembly. Carriage rod lubrication and encoder strip condition were confirmed intact. Repeated print failures pointed to a scan-axis or electrical fault. Av

Problem: User reported the document feeder had stopped working. It will take in the paper, but then it wrinkles it up and jams inside.

Solution: The technician found a staple stuck inside the document feeder. After removing the staple, the document feeder began functioning normally.

Problem: HP DesignJet T795 wide-format plotter in Round Rock producing washed-out prints with poor color saturation.

Solution: Technician ran a print head alignment and printed diagnostic pages, which showed full color and clarity. Root cause was traced to the printer driver's Printer Preferences setting, where output mode had been set to Quantity rather than Quality. Adjusting that setting restored sharp, vibrant output.

Problem: HP DesignJet T520 36" would not print. Diagnosis indicated a failed main board as the root cause.

Solution: Replaced the main board on the HP DesignJet T520 36". After installation, the printer powered on and reached ready status. A subsequent print head cleaning cycle triggered a 'Printer Failure — problem with the printer or ink system' error. The print head (part# C1Q10A) was cleaned but the failure me

Problem: HP DesignJet 800 42" presented with multiple issues, including a suspected broken drive belt and degraded printhead performance.

Solution: Technician diagnosed a failed drive belt and failing printheads. Quoted replacement of the 42" belt (C7770-60014) and all four printheads: C4810A, C4811A, C4812A, and C4813A. Awaiting customer approval to proceed.

Problem: HP DesignJet T830 wide-format plotter presented with an ink spill in the carriage area and paper sensor issues.

Solution: Technician found the customer had cleaned the carriage and printhead area with denatured alcohol. Paper-present sensor was inspected and found physically intact. With paper loaded, the printer detected media feeding but the carriage line sensor failed to register it. Diagnosis identified a failed ca

Problem: HP DesignJet 800ps reporting error code 11:11, with a split 42" carriage belt confirmed by the customer.

Solution: Diagnosed error 11:11 as potentially originating from the main board or carriage assembly. Recommended replacing the 42" carriage belt (C7770-60014) and 42" trailing cable (C7770-60274) first, as the trailing cable is the lower-cost component and is accessed during belt replacement, allowing sequent

Problem: A Cedar Park customer reported two Canon imagePROGRAF wide-format plotters with distinct issues: the 2000 was throwing error code EC05-2F92 and producing loud mechanical noise, while the 6000 was exhibiting severe color accuracy problems and a print time of roughly two hours for a 40" × 40" output.

Solution: The technician evaluated both the imagePROGRAF 2000 and 6000, along with four additional smaller printers on-site. After diagnosing the required repairs, the cost of necessary parts exceeded the threshold for a viable repair on the plotters.

Problem: HP DesignJet 800 42" plotter displaying error 05:10, indicating a formatter failure on the wide-format unit.

Solution: Replaced the formatter board and updated firmware on the HP DesignJet 800 42". Verified the repair with multiple test prints to confirm stable operation.

Problem: HP DesignJet Z5600 wide-format plotter reporting error code 86.01 at an Austin, TX location.

Solution: Cleaned carriage, rail, and encoder strip. Replaced yellow and photo black ink cartridges; test prints revealed voids in black output. Installed black/cyan printhead F9J86A and matte black/red printhead F9J88A. A subsequent 'printhead replacement not complete' error required a printhead seal and pur

Problem: HP Latex 335 plotter reported error code 25.7:10, indicating a non-functional black ink sensor.

Solution: Technician replaced the P.I.P. Floater and ISS connector. Following replacement, cleaning, and functional testing, the unit returned to factory specification.

Problem: HP Latex 335 plotter displayed error code 25.6:10, indicating a failed yellow ink sensor.

Solution: Technician replaced the P.I.P. floater and ISS connector, then cleaned and tested the unit. The yellow ink sensor error was cleared and the plotter returned to normal operation.

Problem: HP DesignJet T3500 wide-format plotter in Kyle, TX throwing recurring Error 79:04, a firmware-related system fault that halted operation.

Solution: Technician confirmed the unit reached ready status on power-up, then updated firmware to version 04_07_01.1 (March 26, 2021). A prior firmware update to 04_05_01 (November 6, 2020) had resolved an identical Error 79:04 occurrence roughly two and a half months earlier. Follow-up confirmed the plotter

Problem: HP DesignJet T1300 plotter presented with ink-saturated service station and signs of excessive ink spread, requiring service station replacement as part of overdue preventive maintenance.

Solution: Replaced the service station (part CH538-67040). Unit returned error 21.1:3 after reboot; diagnosis identified a faulty primer motor/sensor assembly. Swapped the motor/sensor from the original incorrect part to confirm root cause, then installed the correct replacement motor/sensor assembly, clearin

Problem: Customer reported a broken carriage belt on their HP Latex 335 wide-format latex printer, leaving the unit inoperable.

Solution: Technician replaced the carriage belt assembly and tensioner, then performed cleaning and functional testing to return the HP Latex 335 to full operation.

Problem: HP DesignJet T1300 carriage assembly ceased lateral movement along the track.

Solution: Inspection revealed a broken carriage belt and failed tensioner. Both components were replaced, restoring full carriage travel and normal plotter operation.

Problem: HP DesignJet T795 plotter in Belton, TX stopped printing despite recently replaced ink cartridges.

Solution: On-site inspection revealed clogged printheads and ink tubes. The technician replaced both components, performed additional servicing, and restored the unit to full working condition.