| 摘要 |
The processing flow of the invention calculates a total image area S or a sum of areas of images among elements laid out on a 1<SUP>st </SUP>page (step S 306 ), and computes an image area ratio rho of the total image area S to a total paper area A of the currently set paper size (step S 308 ). The calculated image area ratio rho of greater than a preset reference value rhoref leads to selection of 'Photo Paper' as the paper type (step S 312 ). The calculated image area ratio rho of not greater than the preset reference value rhoref, on the other hand, leads to selection of 'Plain Paper' as the paper type (step S 314 ). The processing flow subsequently determines whether the selected paper type is inconsistent with the paper type currently set in a printer (step S 316 ). In the case of inconsistency of the paper type, the processing flow outputs a display of the type and the size of printing paper to be set in the printer (step S 318 ) and waits for entry of the user's confirmation (step S 320 ).
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