Epson PowerLite 4100, Operator'S Manual

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104 Maintenance
If the printer is on, press and hold ON LINE while simultaneously pressing
FORM FEED and LINE FEED.
+ +
3. If necessary, check and/or change the Char/Inch setting under PRINT
STYLE in the configuration menu.
Note: Select a preferred characters-per-inch setting, since vertical
alignment varys slightly for different pitches.
4. Select “System Options” in the configuration menu.
5. See the Note below and then select “Vertical Alignment.”
Note: Vertical alignment must be set at normal print speed.
As a safety feature, when using “fast pitch” (10 pitch printing),
the printer prints at half speed if the operator access door is
open. To cancel half-speed printing during vertical alignment,
press and hold TOF while the printer prints out the test patterns.