Real-time updates and completed service calls from across the metro area.
Our technicians are in the field every day fixing equipment for local engineering firms, architects, and print shops. Below is a log of recent plotter service calls completed throughout Alpharetta, Atlanta, Buford, Brookhaven, and surrounding areas—showing the exact plotter models, reported issues, and on-site fixes delivered by our team.
Sep 16, 2026·Gainesville, GA 30501·HP Designjet Latex
Problem:
HP DesignJet Latex 260 producing incorrect colors, with a persistent 58:10 color sensor error and missing plastic bracket rollers on the plotter.
Solution:
Diagnosed color issues as caused by remanufactured printheads and third-party inks. Replaced pinchwheel kit (Q6651-60066), color sensor (CH955-67101), line sensor (CQ869-67062), and cutter (CH955-67007). Redistributed pinchwheels to second plotter. No error codes present after testing.
Sep 15, 2026·Lawrenceville, GA 30046·HP T2500
Problem:
HP DesignJet T2500 in Lawrenceville, GA reported a recurring printhead error with no numerical error codes and no failed diagnostic tests.
Solution:
Technician attempted all available system resets, manual resets, and cleaned the carriage PCA contacts. A printhead replacement from a prior service visit had not permanently resolved the error. With no diagnostic codes to isolate the fault, multiple components were identified as potential causes: c
Aug 26, 2026·Kennesaw, GA 30144·HP T830
Problem:
Customer in Kennesaw, GA requested purchase of an HP DesignJet T830 36-in multifunction plotter.
Solution:
New HP DesignJet T830 36-in MFP sourced and shipped to the customer. Customer was advised that installation is not included and that HP warranty service is handled directly between the customer and HP.
Apr 2, 2026·Lawrenceville, GA 30046·HP T520
Problem:
HP DesignJet T520 36" plotter powered on but would not print, immediately displaying a blue screen with error code B36DFCC4.
Solution:
Technician diagnosed a faulty main board (part # CQ890-67023) as the cause of the blue screen and print failure. All other components inspected and found in good condition. Repair quote for main board replacement issued; call closed after no customer authorization was received.
Dec 18, 2025·Atlanta, GA 30328·HP T520
Problem:
HP DesignJet T520 (CQ890A) arrived with no power indication; power button flashed red, and the control panel flickered, went unresponsive, and lost display when repositioned.
Solution:
Tested wall outlet voltage — within spec. Reseated power and control panel ribbon cables at both ends; issue persisted. Diagnosed faulty user control panel (CQ890-67082). Replaced control panel; printed multiple internal test pages to confirm full functionality and print quality.
Oct 24, 2025·Marietta, GA 30060·HP T830
Problem:
HP DesignJet T830 MFP reported a 0042-0117 error accompanied by an audible gear stripping noise, causing the carriage to bind and halting print operations.
Solution:
Bench inspection revealed the carriage belt had disengaged from the belt motor spindle, binding the carriage and triggering the 0042-0117 error. The belt was reseated, the carriage assembly cleaned, and the unit was returned to service with confirmed print output.
Jul 30, 2025·Alpharetta, GA 30004·HP T1120ps
Problem:
HP DesignJet T1120ps 24" reported a persistent printhead error, cycling through repeated ink cartridge and printhead replacement prompts across reboots.
Solution:
Replaced two ink cartridges from customer stock per plotter request. Reseating the printheads triggered a loop demanding the same cartridges again. Technician cleaned carriage contacts, cycled power, moved power connection from surge protector to wall outlet, and updated firmware. Firmware 79 errors
Jun 20, 2025·Norcross, GA 30071·HP Designjet 4500
Problem:
HP DesignJet 4500 wide-format plotter producing poor print quality with a shaded horizontal banding pattern across cyan and associated colors.
Solution:
Technician inspected ink cartridges and ink stations, cleaned and lubricated the carriage rail, and performed printhead alignments. Replaced printheads #2 yellow (C5057A), #3/4 magenta (C5056A), #7/8 cyan (C5055A), and #5/6 black (C5054A) along with printhead cleaners, then ran color calibration and
Showing 8 of 8 service calls in Alpharetta, GA.