BENTSAI E61P Installation Fit Check: Planning a 2-5 mm Coding Gap on Your Conveyor

BENTSAI E61P Installation Fit Check: Planning a 2-5 mm Coding Gap on Your Conveyor

Quick answer: Before installing an inline coding printer, measure the real print zone on a moving product—not only the free space beside the conveyor. For the BENTSAI E61P, the manufacturer specifies a 2-5 mm ink throw distance between the nozzle plate and the print object. That small range makes product height, carton seams, print-area position and bracket adjustment important parts of a successful installation plan.

For factories in Malaysia and Singapore, an inline coding project often begins with a message: a date, batch number, barcode or QR code. The physical question comes first: can the chosen print area pass the printhead at a stable distance and orientation? A sound answer helps the team prepare the line before commissioning, rather than trying to solve a mechanical-fit issue with software settings later.

Why installation fit should come before message design

A message can look correct on a touchscreen and still be placed on an unsuitable part of the pack. A carton flap, corrugated edge, cap shoulder, recessed label area or inconsistent product height can change the gap between the printhead and the surface. That is why the first site check should start with the physical object and its path through the conveyor.

The BENTSAI E61P is documented as an inline TIJ coding printer. Its quick installation guide includes reference arrangements for downward and sideward printing. Those arrangements are useful starting points, but the final mounting position should be based on the actual product, conveyor and print location—not a generic drawing alone.

Start with the documented 2-5 mm print distance

The E61P series flyer and user manual specify an ink throw distance of 2-5 mm, described as the distance between the nozzle plate and the object being printed. Treat this as a design requirement for the coding zone.

What to measure at the line

  • The intended print surface: measure from the nozzle location to the exact panel, label or other approved area—not to the broadest part of the product.
  • Height variation: compare several samples, including the tallest and shortest packs expected in one run.
  • Seams, flaps and edges: keep the planned message clear of an area that changes level or texture as it passes the printhead.
  • Conveyor movement: check whether guides, side belts, vibration or product spacing affect the chosen surface.
  • Access for adjustment and cleaning: leave practical access for the operator to inspect the printhead and make approved setup changes safely.

This is not a promise that every package will print identically. It is a way to identify variables that should be controlled or tested before production approval.

Choose sideward or downward mounting around the pack—not around the empty space

The E61P quick installation guide provides mounting references for both sideward and downward printing. Use the product’s approved print panel to decide which orientation is practical.

Sideward mounting can suit a stable side panel on cartons, pouches or containers. Downward mounting may suit a top panel when the product height is controlled and there is clear access above the conveyor. Neither orientation is automatically better. The better choice is the one that maintains the documented print distance, avoids changing surfaces and gives the team a repeatable reference point.

The E61P manual also provides left-to-right and right-to-left print-direction settings. Confirm direction with the actual line travel during trial printing. Do not rely on a screen preview to confirm the final code position.

Make a one-page print-zone sketch before installation

A simple measurement sketch can prevent unnecessary rework. It does not need engineering software. Record the pack outline, conveyor direction, intended print zone, printhead position, mounting orientation and the distance you measured. Add the location of a seam, flap, cap, handle or label edge if it is close to the code.

Also note the direction in which the product enters the coding point. The E61P supports an optical-sensor trigger and continuous printing modes, according to its user manual. The sensor location and timing need to correspond to the final physical print position. First establish the correct mounting and gap; then set and test the triggering and any print delay.

Choose the cartridge size as part of the fit check

The E61P documentation lists two cartridge configurations: a 0.5-inch (12.7 mm) option with a stated print-height range of 2.5-12.7 mm, and a 1-inch (25.4 mm) option with a stated range of 2.5-25.4 mm. The right choice is not only about making the code larger. Check whether the required text, barcode or 2D code fits inside the approved print area with suitable clearance from folds, seams and edges.

If the available panel is narrow, a larger possible print height does not automatically create more usable space. Print a sample at the proposed size on the actual packaging material and review it at normal handling distance. For codes intended to be scanned, use the scanning equipment and acceptance criteria that apply to your own operation.

Do not treat optional mounting parts as an automatic cure

The E61P flyer lists rotating brackets, anti-shock brackets and flat printhead plates as optional accessories. The flyer also describes protruding printhead plates for more flexible printing on curved surfaces. These options may be relevant where access or surface geometry is difficult, but they should be selected after a line assessment and sample test—not assumed to solve every height or clearance issue.

Ask PTS to confirm the appropriate bracket, printhead plate and cartridge arrangement for the actual product and conveyor. Provide photographs, a dimensional sketch and representative samples where possible. This makes the discussion specific and avoids relying on a general product image.

Commission with real samples, then record the approved setting

Once the printer is mounted, run samples that represent normal production variation. Check the message position, contrast, legibility and repeatability on the actual substrate. If the pack design changes, repeat the fit check before using the previous setting as an approval.

For a practical handover record, keep the product name, packaging version, print orientation, selected cartridge configuration, measured print gap, trigger arrangement, message name and approved sample. This is complementary to your wider coding quality-control process; it is not a substitute for site safety procedures, customer specifications or any regulatory requirement that applies to your product.

Questions to bring to an E61P installation discussion

  • What are the tallest, shortest and widest products expected on this line?
  • Where is the one print surface that remains stable while the product moves?
  • Can the print zone remain within the E61P’s documented 2-5 mm nozzle-to-object distance?
  • Which mounting direction gives safe access and a clear, repeatable reference point?
  • What sample, code size and scan or visual acceptance check will be used for approval?

Plan the gap before you plan the code

The E61P can support inline coding tasks, but good results start with a print zone that is physically suited to the package. Measuring the 2-5 mm gap, selecting a stable surface and validating the configuration on real samples gives your team a clearer basis for installation and future changeovers. For an E61P line assessment in Malaysia, contact PTS Technology with your pack sample and conveyor details.

PTS Technology is your best choice for packing and customized printing services. We are now offering leasing printers, Bentsai inkjet coding and inkjet marking printers, contactless access card, original inkjet cartridge, toner cartridge, and recycling inkjet cartridges.

Posted by PTS TECHNOLOGY SDN BHD on 29 Jul 26