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TRACS
To ensure consistency from first print to last, the DocuColor 2000 Series utilises a
technology called TRACS (Toner Reproduction Auto Correction System). TRACS
automatically measures 16 levels of density and colour, and makes adjustments on the
fly. TRACS works by placing CMYK density patches directly on the Digital Blanket
between pages as they circulate through the machine. These patches are then read by
built-in auto density control sensors, and any quality adjustments are made on the fly.
The result is consistent and reliable colour from start to finish.
Precise Registration System
Important to total high quality output is image to page registration. On the DocuColor
2045 and 2060, stock is passed over three aligner transport rolls which de-skew the
stock by applying the appropriate amount of pressure based on the substrate’s weight
and size. A registration roll then centres the stock to the image on the Digital Blanket.
Centring the stock cuts down on sheet-to-sheet and front-to-back registration errors by
half. Two timing registration sensors also regulate the speed of the Digital Blanket
(which regulates the speed of the stock) for more accurate, more consistent image-to-
blanket registration and image-to-page registration.
Decurling devices
When dry ink is fused to paper, especially with heavy coverage, there is a natural
tendency for the paper to curl.
To eliminate curling, the stock passes through two of three decurling devices. The devices
look at the weight of the stock, the print coverage, and whether the job is simplex or duplex
(when the stock is duplexed, it passes through all three decurling devices). The devices
remove curl and produce flat, uniform output that runs smoothly through the press.
Print speeds/productivity
With very heavy or very light substrates, print speed must decrease to ensure quality.
With the DocuColor 2045 and 2060, the machine will always print at optimum speed in
accordance with the stock being used. The most popular stock weights are printed at
the maximum speed available.
2 – 3
image reproduction process