Canon imagePROGRAF TA-20 MFP 24" Large Format Printer with L24ei Scanner and Stand Kit - Manual (Page 254)

Top Cover (Inside)
(A) Platen
The print head moves across the platen to print.
(B) Paper Retainer
Important in supplying the paper. This retainer holds paper as it is fed.
(C) Linear Scale
The linear scale serves a key role in detecting the carriage position.
(D) Carriage Shaft
The Carriage slides along this shaft.
(E) Carriage
Moves the print head. The carriage serves a key role in printing. (See " Carriage .")
(F) Cleaning Brush
When cleaning inside the printer under the top cover, use this brush to sweep away paper dust on the
platen.
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