HP Indigo 10000 SmartStream Production Pro Print Server - Inline Horizon Smart - Page 7

Press configuration

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2 Press configuration The HP Indigo 10000 Digital Press normally aligns the sheets to the rear side of the press. However, when duplex printing, the press flips the sheet, which causes the leading edge used for registration to be at the tail. The Horizon SmartStacker aligns sheets to their leading edge. If someone prints a duplex job directly to the SmartStacker, the sheet's leading edge at the Horizon SmartStacker is actually the sheet's tail edge on the press. Due to sheet tolerance and the press alignment process, the cutting location on the Horizon SmartStacker might be shifted slightly. To overcome this, it is recommended to perform the following steps: 1. If the majority of jobs are duplex, install a front-alignment option on the press. This option aligns the printed sheets on the press to the front (operator) side rather than the to the rear side of the press. 2. Use sheets whose cutting tolerances (sheet to sheet deviation) as per the substrate manufacturer is smaller than what you are using. NOTE: The following figure shows a representation of a sheet's alignment edges at the press input and output after the sheet flips over. Press output is SmartStacker input since the devices are connected inline. Figure 2-1 Stack alignment Press configuration 3

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Press configuration
2
The HP Indigo 10000 Digital Press normally aligns the sheets to the rear side of the press. However,
when duplex printing, the press flips the sheet, which causes the leading edge used for registration to be
at the tail.
The Horizon SmartStacker aligns sheets to their leading edge. If someone prints a duplex job directly
to the SmartStacker, the sheet’s leading edge at the Horizon SmartStacker is actually the sheet’s tail
edge on the press. Due to sheet tolerance and the press alignment process, the cutting location on the
Horizon SmartStacker might be shifted slightly.
To overcome this, it is recommended to perform the following steps:
1.
If the majority of jobs are duplex, install a front-alignment option on the press. This option aligns the
printed sheets on the press to the front (operator) side rather than the to the rear side of the press.
2.
Use sheets whose cutting tolerances (sheet to sheet deviation) as per the substrate manufacturer
is smaller than what you are using.
NOTE:
The following figure shows a representation of a sheet’s alignment edges at the press
input and output after the sheet flips over. Press output is SmartStacker input since the devices
are connected inline.
Figure 2-1
Stack alignment
Press configuration
3