Figure 1-3. Head Adjust Lever - Epson SQ-B50/2550 Technical Manual

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REV.-A
Gap between the printhead and platen:
1.2
+
0.1 mm (from the nozzle surface to the platen)
NOTE: When printing on thick paper, such as an envelope, the platen gap can be adjusted manually
to prevent the paper from being stained with ink.
• Dashed line:
Standard (1.2 mm)
• Solid line:
Wide (1.8 mm)
Figure 1·3. Head Adjust Lever
1.2.1.2 Paper Feed
Feeding methods:
Minimum line spacing:
Line spacing:
Paper insertion:
Paper feeding speed:
Friction feed
Push tractor feed
Push-pull tractor feed (when the optional tractor is used)
1/360" (0.07 mm)
1/6" or 1/8", or any of n/60", n/180", and n/360" (programmable: "n"
is a user-defined value)
From the rear
Cut sheets and envelopes: From the upper paper entrance
Fan-fold paper and labels: From the lower paper entrance
62 msec. (Line spacing: 1/6")
4.0 IPS (inches/sec., continuous paper feeding)
WARNING
• Do not turn the manual paper feed knob, unless a paper jam occurs. The reasons are as
follows:
Usually, reverse paper feeding is prohibited by the software to prevent the paper from
becoming stained. If the knob is operated manually, this protection is defeated.
Positions set in the SelecType mode, such as TOF or tear-off positions, will be shifted .
• Never feed the paper in reverse when printing labels, Because the labels could adhere to
the printer.
1-4

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