HP 2500c Service Manual - Page 143
Dual Bin Structure
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Paper Paths and Components Dual Bin Structure Schematic SWIVEL PCA LOCATION PRIMARY PRINT MECHANISM DATUM PIN SWIVEL PCA MODULE DATUM PIN PRIMARY PRINT MECHANISM DATUM PIN SWIVEL PCA MODULE DATUM PIN DUAL BIN PICK MECHANISM DATUM PIN POWER SUPPLY LOCATION DUAL BIN PICK MECHANISM DATUM PIN POWER BUTTON DATUM DUAL BIN TRAY X-DATUM The dual bin structure is molded in one piece to reduce feature to feature tolerance stack up. It supports the whole weight of the primary paper path mechanism and writing system from the top, provide mounting for the swivel PCA from the back, encapsulates the 100V power supply on the right, and provides sliding surface and datum surface for the dual bin tray at the middle. The x-y datum for the primary print mechanism on top is provided by two datum pins at the structure and its z datum is given by the height of the dual bin structure. The dual bin structure also provides datum pins for the swivel PCA and the power supply. There are two bias springs which pushes the dual bin tray to the right against the datum rail. This will determine the right margin for the media printed. Two screw bosses which provides mounting location for the primary print units also serve as the datum pins for the dual bin pick and feed mechanism, the dual bin pivot arm module, which is mounted underneath the sheet metal dual bin beam top. The material requirement for the dual bin structure has to meet grade V5 (Noryl) or better as it encapsulates the high voltage power supply module. Functional Overview 6-23