![](/images/backgrounds/286767/hp-laserjet-5100dtn-users-manual-549103153x1.png)
I/O Menu (Continued)
Item | Values | Explanation |
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I/O BUFFER SIZE= | 10K and up | This item appears only when I/O |
100K |
| BUFFER=ON. Specify the amount of memory |
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| for I/O buffering. The maximum amount of |
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| memory available for I/O buffering is |
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| determined by the amount of memory installed |
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| in the printer, the languages installed in the |
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| printer, and by other memory allocations that |
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| must be made. |
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| Press |
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| increments of 10 (up to 100 KB) or by |
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| increments of 100 (above 100 KB). |
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PARALLEL HIGH | YES | Select the speed at which data is transmitted |
SPEED=YES | NO | to the printer. |
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| YES: The printer accepts faster parallel |
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| communications used for connections with |
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| newer computers. |
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| NO: The printer accepts slower parallel |
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| communications used for connections with |
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| older computers. |
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PARALLEL ADV | ON | Turn the bidirectional parallel communication |
FUNCTIONS=ON | OFF | on or off. The default is set for a bidirectional |
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| parallel port |
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| This setting allows the printer to send status |
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| readback messages to the computer. (Turning |
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| the parallel advanced functions on might slow |
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| language switching.) |
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ENWW | Control Panel Menus |