HP Color LaserJet 9500 Service Manual - Page 64

3,000-sheet stapler/stacker Main modules The 3,000-sheet stapler/stacker consists of the following main modules: ● Face-up bin-This bin collects the documents face-up, with the printed information toward the user. Finished documents are not routed to this bin, but the bin supports the sheets as they are flipped to the face-down bin. This face-up bin has a capacity of 125 sheets of media (75 g/m2, or 20 lb). ● Face-down (stacker) bin-Collated and stapled jobs are routed to the face-down (stacker) bin. The bin has a capacity of 3,000 sheets (75 g/m2, or 20 lb) of letter/A4 paper or 1,500 sheets (75 g/m2, or 20 lb) of ledger/A3 paper. ● Accumulator-The accumulator collects the sheets in the accumulator bed and registers a whole job or copy. Additionally, the accumulator transports the job to the stapler module when a stapling option is selected, and can also offset print jobs. After finishing, the accumulator routes the print job to the face-down bin. ● Stack holder-The stack holder holds the sheets that are in the face-down bin. ● Flipper-The flipper module flips sheets of paper from a face-up position to a face-down position. This function is necessary in order to accumulate the job correctly and to accommodate staples. ● Paper path-The paper-path module routes the print job after the media leaves the flipper module if the printed media is face-down. If the media is face-up, the print job is routed directly from the flipper module to the face-up bin. ● Stapler and carriage-This module is used to staple print jobs. The stapler is mounted in a carriage that moves from side to side. The side-to-side motion accommodates stapling in various positions on the edge of the print job that is in the accumulator. ● Controller PCA-The controller PCA controls the entire unit. All stapler/stacker-module cables are connected to the controller PCA. ● Power supply-This is the main power supply for the device. The power supply is universal, which means that it can work with products that use from 110 Vac to 220 Vac. Face-up bin Face-down or stacker bin Accumulator Flipper Paper path Stapler and carriage Controller PCA Power supply Figure 27. Stapler/stacker main modules 62 Theory of operation ENWW