Factors that affect the efficiency of inkjet output in practical work

The factors that affect the efficiency of inkjet output include the following aspects:

1. The speed of software RIP.

2. The data transmission speed between the computer and the inkjet printer.

3. The printing speed of the inkjet printer.

Improving output efficiency is actually to solve the speed bottleneck in the output, in order to achieve a reasonable match between the speed of the various subsystems. First, the front-end computing system should be optimized. For devices with a 6-color system such as JV2-130 and an output accuracy of 720dpi, the test requires at least a computer configured with PII450 and 128 megabytes of memory before it can be output in a way of calculating and playing without pause. (Using ERR type diffusion method, bidirectional, 8Pass, standard speed).

In actual use, if it is not necessary, please do not use KF or QC type of enhanced diffusion method and dot matrix image enhancement function, these algorithms will cause the calculation time to increase exponentially. Generally speaking, the graphics using Error algorithm can meet most of the needs. If you want to increase the calculation speed, you can only use the LX algorithm or turn off the "Hi-Fidelity Color" option. But this will greatly reduce the image quality, please use it with caution.

Tip 1: When more than one copy of an image is to be output, you can use the "Multiple Copy" function or save the calculated data as a file (* .prt). In this way, repeated calculations can be eliminated and the output efficiency can be improved.

Tip 2: When calculating while playing, do not select the output management program (ProductionManager) as the foreground (in a window open state). If the output management program is in the foreground, the system will allocate 2/3 of the system resources to the output management program, and only leave 1/3 of the graphics computing processing resources, making the graphics processing speed slower.

On the other hand, if the data transmission speed between the computer and the inkjet machine is slow, then the phenomenon of waiting at the end of the inkjet machine will occur even if the image processing speed is fast. We recommend that users use a print cable that complies with the IEE1824 standard, and set the PC's print port to ECP (DMA = 3) type, and use the LPT954 in the PhotoPrint installation CD to update the Windows parallel port driver. The test results for different port types are as follows:

We cannot change the output speed of the device, but we can reduce the output time by optimizing the printing mode. Generally, the following modes can be used:

Note: The transmission speed is also related to the content of the image itself and determines the printing speed of the inkjet printer, which plays a decisive role in the output time.

Concept 1: The number of ink overlay passes (PileUp) refers to the number of times the image is printed at the same position. This function is only used when the saturation of the output image is seriously insufficient. Will double the ink consumption and output time.

Concept 2: The number of printing passes (BandingMethod) defines the number of ink head sweeps required for a complete output. This parameter does not affect the ink consumption, but has a greater impact on the output time (the higher the value, the more time it takes). It can effectively suppress the appearance of horizontal stripes on the screen.

Concept 3: Print Direction (Unidirectional), the unidirectional head only inkjet prints when moving from right to left. Bidirectional (Bidirectional) heads are inkjet printed during reciprocating motion. The bidirectional printing speed is faster, but the ink drying time at both ends of the drawing is shorter, and streaks are prone to appear.

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