[. . . ] It works seamlessly with your Océ plotter to allow unattended operation. [. . . ] If both trays have reached their maximum capacity of 750 sheets per tray, an audio signal will notify the operator to remove the prints. Convenient, unattended operation Your Océ plotter works seamlessly with the Océ Double Decker Pro stacker to allow unattended operation. When running in continuous mode it will switch trays automatically when one tray is full. In addition, the printer will stop automatically when the trays are full to avoid wasting time and resources. It runs very quietly as well to make working conditions as comfortable as possible. The stacker takes up a small amount of floor space so it can easily fit into offices with limited space. This makes it easy to upgrade your plotter with the Océ Double Decker Pro. Océ PlotWave 900 with Océ Double Decker Pro Specifications: Océ Double Decker Pro stacker Tray Capacity 2  x 750 sheets (75g/m²) Media width 210 – 914 mm Media length 210 – 1219 mm Media weight 60 – 110 g/m² Stacking accuracy High accuracy by use of magnetic paper guides Dimensions 1500 x 1600 x 1100 mm Required floor space 2. 5 m² Tray Selection Behavior Manual or automatic tray selection Electrical 100 – 240 V / 50 – 60 Hz Set or Job Separation A dd separation sheet for each job or each set Add leading strip to first sheet of each set Safety TUV GS/FS, UL, EMC, RoHS Sound Standby Active ≤ 35 dB(A) ≤ 71 dB(A) Weight 140 Kg Automatic tray selection C ontinuous delivery, automatically switching to the next tray when maximum capacity has been reached Tray selection dependent on job type (copy or print job) Alternate between the two trays for each job or set - Do not alternate when a set is smaller than 10 sheets [range 1. . 750] Tray selection based on media size Océ TDS750 with Océ Double Decker Pro All specifications subject to change without notice. [. . . ] This makes it easy to upgrade your plotter with the Océ Double Decker Pro. Océ PlotWave 900 with Océ Double Decker Pro Specifications: Océ Double Decker Pro stacker Tray Capacity 2  x 750 sheets (75g/m²) Media width 210 – 914 mm Media length 210 – 1219 mm Media weight 60 – 110 g/m² Stacking accuracy High accuracy by use of magnetic paper guides Dimensions 1500 x 1600 x 1100 mm Required floor space 2. 5 m² Tray Selection Behavior Manual or automatic tray selection Electrical 100 – 240 V / 50 – 60 Hz Set or Job Separation A dd separation sheet for each job or each set Add leading strip to first sheet of each set Safety TUV GS/FS, UL, EMC, RoHS Sound Standby Active ≤ 35 dB(A) ≤ 71 dB(A) Weight 140 Kg Automatic tray selection C ontinuous delivery, automatically switching to the next tray when maximum capacity has been reached Tray selection dependent on job type (copy or print job) Alternate between the two trays for each job or set - Do not alternate when a set is smaller than 10 sheets [range 1. . 750] Tray selection based on media size Océ TDS750 with Océ Double Decker Pro All specifications subject to change without notice. [. . . ]