From Handheld TIJ to Inline CIJ for Glass Bottle Codes

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Quick answer. Choose from the way your bottles move, not from the printer acronym alone. A handheld or bench TIJ setup is worth testing when an operator codes intermittent batches at a controlled station and the exact ink has been proven on the finished glass. CIJ is a stronger candidate when bottles move past a fixed head in a repeatable line and the run pattern can justify fluid-system upkeep and integration. Neither technology is automatically cheaper or more reliable for every small producer.

One distinction prevents a common buying mistake: TIJ and CIJ describe different inkjet mechanisms; handheld and inline describe how the printer is mounted and how the package is presented. A TIJ can be installed in an automated line, and a portable printer is not necessarily a verified TIJ model. Ask the supplier to identify the print engine, ink system, and exact printer configuration in the quote.

The Practical Difference Is the Ink System and the Bottle Flow

A thermal inkjet (TIJ) system ejects droplets through a heated cartridge printhead. Industrial TIJ systems commonly use a replaceable cartridge; the supplier documentation for a specific model determines its ink, substrate range, print distance, and cleaning steps. Cartridge handling can simplify some maintenance tasks, but it does not prove that the ink will adhere to a particular glass coating or survive condensation and rubbing. [1][2]

A continuous inkjet (CIJ) system forms and charges a continuous stream of droplets, then recirculates unused ink through the printer. Videojet describes this recirculating fluid loop and specifies a typical printhead-to-product distance for its own CIJ equipment; that distance is model guidance, not a universal setup number. [3]

Glass makes both routes application-dependent. Its smooth, non-absorbent surface and curved walls complicate drying, adhesion, code placement, and repeatability. Surface treatment, bottle cleanliness, condensation, ink chemistry, print distance, and handling time all affect the result. A broad claim such as “prints on glass” is only a reason to request a sample. [4]

Compare the Routes Against Your Actual Run

The table is a screening tool. It narrows the supplier questions; it does not replace a trial on the bottle and line you will use.

Decision factor	TIJ route	CIJ route
Bottle movement	An operator can present each bottle to a fixed guide or controlled print zone; low run frequency makes a handheld or bench station practical to test.	Bottles pass a fixed printhead with consistent spacing, orientation, and timing; line handling is already repeatable.
Changeovers	Useful when jobs are intermittent and messages change often, if the chosen controller makes job selection and approval clear. Verify the operator steps.	A good fit when message changes are managed through the line controller and the run pattern supports a permanent installation. Verify job recall and data handoff.
Ink and surface	Confirm that the offered cartridge ink is intended for the actual glass finish. TIJ cartridge convenience does not guarantee glass adhesion or wet-rub resistance.	Ask for a CIJ ink specified for the glass and process conditions. Confirm ink and makeup consumption, ventilation needs, and supplier-recommended cleaning.
Position and gap	A handheld pass can vary in angle, speed, and head gap unless the bottle or printer is guided. Test multiple operators if the device will be shared.	A fixed head can repeat placement when the bottle conveyor, sensor, and mount hold position. Curvature and distance still affect the mark.
Ownership burden	Compare cartridge price, rated yield under your message, shelf life after opening, replacement steps, and cost of rejected prints.	Include printer purchase, ink and makeup, scheduled cleaning, service parts, line integration, and downtime procedures in the quote.
Best next step	Request a sample and a controlled operator trial on the production bottle.	Request a line-speed trial or a mock conveyor test with the intended bottle spacing and sensor trigger.

When TIJ Is the Better First Trial

Start with TIJ when coding happens at a workbench, bottles are presented one at a time, and the extra cost and setup of an inline station would be difficult to justify. This is a workflow test, not a rule that TIJ is always the low-cost option. Compare the printer price and cartridge cost with your message length, usable yield, number of jobs, and the labor needed to hold the bottle and keep the mark straight.

For glass, require the exact model and cartridge identification. Ask whether the quoted ink is solvent-based or another formulation, what glass or coating it has been tested on, and what happens after pauses between jobs. Videojet describes cartridge-based TIJ systems and maintenance steps for its own products; those instructions cannot be transferred automatically to an Alibaba listing with a different head or cartridge. [1][2]

When CIJ Earns the Extra System Work

Consider CIJ when coding is part of a regular conveyor workflow: bottles arrive with predictable spacing, a sensor can trigger the message at the right position, and the operator does not need to touch each container. KEYENCE describes CIJ use on glass bottles and notes the surface, curvature, moisture, and speed challenges that make the application demanding. Its material guidance is useful for framing a trial, but the supplier still needs to prove the selected ink and configuration on your bottle. [4][5]

The trade is a fluid-managed system and a more involved installation. Ask for the model-specific start-stop procedure, daily or weekly cleaning tasks, ink and makeup requirements, parts interval, and service path. Do not compare TIJ cartridge expense with CIJ ink cost alone: compare the complete operating setup over the same number of good, readable bottles.

Run a Fair TIJ versus CIJ Trial

Compare systems with a paired test. Use the same bottle, code content, mark location, and post-print handling. Record the operator or conveyor setup for each route so that a poor presentation method is not mistaken for a printer limitation.

• Freeze the code: batch/date text, character size, line breaks, and any barcode or 2D data. Use the same approved data source for both trials.
• Match the surface: production bottle color, coating, cleaning state, label presence, and expected condensation. Ask the seller to identify the exact ink or cartridge used.
• Repeat the mark under the real motion: several bottles at the bench for TIJ, or the actual trigger and spacing on CIJ. Include a restart after the idle period that is normal for your work.
• Check the usable code after packing conditions: position, legibility, smear or rub, moisture exposure, and scan performance if the code must scan. Set pass limits before the trial.
• Compare total cost per accepted bottle from written quotes. Include printer, fixtures or conveyor changes, ink, cartridge yield, makeup fluid, cleaning time, service, and rejected prints. Keep estimates separate from measured trial results.

If neither system can reproduce a clear mark at the required location, return to the route decision in the preceding guide: a coded label may solve the job with less equipment. Direct printing should earn its place through a repeatable mark and a workable operating routine.

What to Put in the RFQ

Ask each supplier to quote the same application so that the responses can be compared.

• Printer technology and exact model; identify whether the unit is handheld, bench-mounted, or designed for conveyor integration.
• Ink or cartridge part number, chemistry, compatible glass finish, print distance, supported code height, and documented sample conditions.
• Expected output rate for the actual code and bottle spacing; do not accept a headline speed without the message length and setup conditions.
• Changeover and restart procedure, operator cleaning steps, consumable yield assumptions, shelf life, service parts, warranty, and support response.
• A printed sample or trial using our bottle, exact code, and expected handling conditions; for CIJ, state sensor, mount, and conveyor requirements.

Sourcing Candidate

Listed in order of appearance; no ranking implied. The following Alibaba listing is a sourcing lead for the CIJ route, not a recommendation based on an independent performance test.

References

1. Videojet. Thermal Inkjet Printers. Cartridge-based industrial TIJ overview and manufacturer-specific maintenance guidance.
2. Videojet. Videojet 8610 Operator Manual. Cartridge alarms and operating/maintenance instructions for that model.
3. Videojet. Continuous Inkjet Printer FAQ. Ink circulation and model-specific printhead distance.
4. KEYENCE. Challenges in Glass Bottle Coding. Smooth, non-absorbent and curved surface constraints.
5. KEYENCE. Glass Bottle Printing with Continuous Inkjet Technology. Supplier technical guidance on CIJ glass coding conditions.
6. Videojet. Printing on Glass Bottles and Containers. Manufacturer application overview for CIJ and laser marking.