Chapter 1414-1814.2.4 Specifications-related FAQ14.2.4.1 FAQ on Main Unit Specifications14.2.4.1.1 Equation to calculate estimated remaining days before next replacement of consumableparts 0009-2407iR2270 / iR2870 / iR3570 / iR4570 / iR3530[ Manual-related ]DescriptionThe remaining days before next replacement of consumable parts are calculated from the following equation:(L x D / C) - DD: Days between installation of the host machine (or part replacement) and to date, C: Counter, L: Limit (lifeof the parts)Note that the remaining days are just reference because they are predicated on that the host machine will becontinuously used at the same pace as before.14.2.4.1.2 Settings for not displaying "Mail Box" tab on LCD 0009-2408iR2270 / iR2870 / iR3570 / iR4570 / iR3530[ Manual-related ]Field RemedyYou can select in service mode whether or not the operation panel for the mail box functions is displayed. Inorder not to display it, change the setting in service mode (Level 2) [COPIER> Option> BODY> UI-BOX], setit to "0" (not display). Then, turn the control panel switch OFF and turn the main power switch OFF/ON.14.2.4.1.3 How to check estimated remaining days before next replacement of consumable parts 0009-2409iR2270 / iR2870 / iR3570 / iR4570 / iR3530[ Manual-related ]DescriptionIn service mode [COPIER> Counter> MISC] and [COPIER> Counter> DRBL-1/DRBL-2], the rightmostreading for each consumable parts indicates how many days are left before the next replacement.14.2.4.1.4 Output image size is different between when using "Zoom by Percentage" function and"Preset Zoom" function although same copy ratio is set 0009-2412iR2270 / iR2870 / iR3570 / iR4570 / iR3530[ Manual-related ]DescriptionIn the "Zoom by Percentage" function, originals can be reduced or enlarged in an integer magnification which
