Epson 4100 manual Initialize Sensitivity, Vertical Alignment

88 Configuration

character set settings and options are printed out when you select "Status Print?" (Page 56) or "Print All Options?" (Page 58).

Initialize Sensitivity

Pressing YES prints out the active setting:

•Low (factory default)

•High

The initialize sensitivity setting applies only to the INIT* signal (Pin 31) on the parallel interface.

Low: Low sensitivity means that the printer requires an active-low INIT* pulse of at least 100 ms in order to reset the printer to its power-up default settings.

In most situations, prefer low sensitivity, especially when using overly long parallel interface cables (over 10 ft) or when dealing with an electronically noisy computer-printer connection.

High: High sensitivity means that the printer requires an active-low INIT* pulse of at least 1.66 µs in order to reset the printer to its power-up default settings.

Use high sensitivity when the INIT* pulse is short, such as with an IBM 3197 terminal.

Vertical Alignment

Pressing YES allows you to adjust the printer's right-versus-left-pass timing for firing printhead pins. See "Vertical Image Alignment" (Page 110) for the procedure.