HP
HP FI-1000 printhead repair
The 297 mm HP Fixed Imager 1000 printhead itself — the part that fails in every FI-1000 based machine, whatever badge is on the front.
HP FI-1000 platform · Trimatt (Australia)
Trimatt ColourStar AQ printhead repair & nozzle recovery
InkBags repairs the printhead in the Trimatt ColourStar AQ. Australian-built short-run packaging press family — the ColourStar AQ V and AQ LT run the HP FI-1000 engine, printing boxes, kraft bags and cotton totes at up to 27 m/min. Recovery is realistic when the fault is dried ink, blockage, contamination or air-lock; it is not when a die segment is electrically dead or the nozzle plate is damaged. Send a nozzle test print and we tell you which one you have — before quoting.
Trimatt ColourStar AQ — engine and printhead specification
The engine inside the machine is the first thing to establish: parts and recovery procedures do not transfer between printhead families, even when both are HP thermal inkjet.
- Print width
- 297 mm / 11.7 in
- Resolution
- up to 1200 × 1200 dpi
- Max speed
- 457 mm/s ≈ 27 m/min
- Ink
- HP pigment, CMYK
| Machine | ColourStar AQ V, ColourStar AQ LT and ColourStar BoxPro — Trimatt Systems, Australia |
|---|---|
| Print engine | HP FI-1000 Fixed Imager on the AQ V and AQ LT, per Trimatt |
| Print width | 297 mm on the FI-1000 based models; BoxPro is quoted up to 891 mm |
| Resolution | 1200 × 1200 dpi |
| Max speed | Up to 27 m/min |
| Ink | HP pigment, CMYK — waterproof, lightfast, scratch resistant |
| Head clearance | Height-adjustable head — 100 mm+ on the AQ V, 25 mm on the BoxPro |
| Typical substrates | Cartons and corrugated boxes, kraft and paper bags, coffee and lunch bags, envelopes, cotton tote bags |
- Sources
- HP names Trimatt Systems as an FI-1000 machine builder on its own specialty packaging and envelopes page — "uses HP FI-1000 for full-color print onto paper wrappers".
- HP Fi1000 print engine stated by the manufacturer for the ColourStar AQ V and ColourStar AQ LT — trimatt.com/digital-print/ and trimatt.com/colourstar-aq/.
- 27 m/min print speed, integrated friction feeder and receiving tray, 100 mm+ height adjustable head on the AQ V, 25 mm head on the BoxPro, AQ LT footprint 1580 × 800 mm — Trimatt product pages.
- 297 mm print swath and 1200 dpi quoted for the ColourStar AQ V — Trimatt ColourStar product material; consistent with the published HP FI-1000 platform specification.
- BoxPro quoted at up to 891 mm print width (APPEX launch coverage). Print engine not stated by the manufacturer — treated as unconfirmed on our side.
What printhead failure looks like on a ColourStar AQ
- A white stripe down every box or bag in the run — the dead-sector signature of a fixed page-wide head.
- Nozzle dropout that starts after a job on cotton totes — textile lint settling on the nozzle plate and bridging nozzles.
- Fresh scoring on the nozzle plate after a run on tall or lifting packaging — the head was set too low and made contact with the substrate.
- A colour missing after the machine has stood between short runs — dried ink in a shop that prints on demand rather than continuously.
- Density falling off across the width on long kraft or corrugated runs — paper dust loading the wiper and capping station.
Photograph the nozzle test print before running any more recovery cycles. Repeated aggressive purging on a head that has already dried out can turn a recoverable fault into a replacement.
Symptom, cause, and whether it recovers
The pattern on the nozzle test print is what separates a cleanable head from a dead one. This is the table we work from — the same one for every HP FI-1000 machine.
| What you see | What it usually means | Outcome |
|---|---|---|
| A solid white band down the web, in the same place on every copy | A whole die segment has stopped firing | Sometimes recoverable — recovers if the cause is dried ink or blockage, not if the segment is electrically dead |
| Fine missing lines that partly return after a purge | Nozzles blocked by dried ink after idle time | Recoverable |
| Nozzles recover, then drop out again within a short run | Restriction upstream of the head — filter, line or supply pressure | Recoverable — replacing the head would not have fixed it |
| One colour channel weak or missing | Blocked feed or partially blocked die area on that channel | Recoverable |
| Density falling off across the width after long production | Nozzle plate contamination, worn wiper or failing capping | Recoverable — the capping and wiping station has to be serviced too |
| Head errors or refusal to come ready after running dry | Air drawn into the head during an ink starvation event | Recoverable — controlled purging and re-priming |
| Scratches or visible damage on the nozzle plate | Physical contact damage | Replacement head |
How we approach a ColourStar AQ printhead
Note 01
The ColourStar is bought for short-run, on-demand work, so the machine stands still more than it runs. That shifts the failure profile: dried ink and cap-down discipline matter more here than wear, and a large share of "dead head" calls on this class of machine turn out to be recoverable blockage.
Note 02
Head clearance is adjustable because the machine prints on three-dimensional packaging. That same flexibility is the main source of physical head damage we see — a strike on a tall or lifting pack scores the nozzle plate, and scoring is the one failure mode that nothing recovers. If the fault appeared right after a job on a new pack format, say so when you send the nozzle test.
Note 03
Cotton tote printing puts textile lint into the head area, and lint behaves differently from paper dust — it bridges nozzles rather than abrading the plate. On a machine that runs cotton, service covers the capping and wiping station, not just a flush.
Note 04
Trimatt publishes the HP FI-1000 engine for the ColourStar AQ V and AQ LT. It has not published the engine for the ultrawide BoxPro, so we identify the head from the machine before quoting rather than assuming the family carries across.
How a repair job runs
Send a nozzle test print
Photograph or scan the nozzle test and describe what the machine was doing when the fault appeared. Do not keep running recovery cycles first — repeated aggressive purging on a head that has already dried out can turn a recoverable fault into a replacement.
Get a diagnosis
We identify the failure pattern — sector, row or random dropout — and tell you whether recovery is realistic, before anything is dismantled.
Approve scope and price
You get the work scope and the price up front, including whether the ink delivery system needs service as well. No open-ended billing.
Service, or replace
We recover the head where it can be recovered and supply a replacement where it cannot. Either way the machine goes back into production.
Pricing and turnaround are quoted per case, because both depend on the failure mode and on whether the ink delivery system needs work as well. Replacement heads and original or compatible ink are available where recovery is not viable, so a machine that cannot be recovered does not sit idle waiting on a second supplier.
Trimatt ColourStar AQ printhead repair FAQ
Does the Trimatt ColourStar use an HP printhead?
Yes. HP itself lists Trimatt Systems among the machine builders using the FI-1000 print engine, and Trimatt states the HP Fi1000 engine for the ColourStar AQ V and the entry-level AQ LT — the same 297 mm fixed page-wide head used by other single-pass packaging presses. FI-1000 repair procedures, replacement heads and pigment ink apply to them directly.
Is the ColourStar BoxPro the same printhead?
Trimatt has not published the engine for the ultrawide BoxPro, and its quoted print width is far wider than a single FI-1000 swath, so we do not assume it is the same. Send a photo of the head assembly or the part number and we confirm what is inside before quoting.
We print cotton tote bags and keep losing nozzles. Is the head failing?
Usually not. Textile lint settles on the nozzle plate and bridges nozzles, and it comes straight back if only the head is flushed. On a machine running cotton, the capping and wiping station is part of the job.
We are in Australia — can InkBags still help?
Yes. In most cases only the printhead assembly ships, not the machine. Tell us the model and we confirm what has to come out and how to pack it so the head is not damaged in transit.
Can InkBags supply ink for a ColourStar?
Yes — original HP pigment ink and our own compatible pigment equivalent for FI-1000 based machines. Pricing is quoted per request through the ink page.
Other machines we service
Boxmaking Machinery GmbH
BM300 printhead repair
Single-pass packaging press built directly around the HP FI-1000, printing bags, boxes, mailers and envelopes at up to 27 m/min.
Printware / iJetColor
iJetColor Pro 1175P printhead repair
High-speed envelope and direct-mail press built on the HP FI-1000, launched by Printware in 2020.
All machines: printhead repair overview.
Get a diagnosis for your ColourStar AQ
Send a nozzle test print and a short note on what the machine was doing when the fault appeared. You get the likely root cause, whether it is recoverable, and what it costs — including when it is not worth the money.