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2.1.3 Platen Gap Adjustment
You can adjust the platen gap (the gap between the platen and printhead) to allow the printer to use paper of
different weights or thicknesses. When you move the platen gap adjust lever forward or backward, the
carriage guide shaft rotates. This rotation moves the carriage either toward or away from the platen and
changes the platen gap. This adjustment function has nine ranges for the adjustment, and the adjustment
position is detected by 2 platen gap (PG) switches.
Moving the platen gap adjust lever beyond position 4 changes the print speed mode to Copy 2 mode, and the
speed slows down to about
2
⁄
3
normal to protect the printhead. The following table show you the relationship
between the platen gap and the print speed.
Table 2-2. Platen Gap and Print Speed
Paper Type
Paper
Thickness
(mm)
Adjust Lever
Position
PG SW1 PG SW2
Print
Speed
Single Sheet 0.065 0 Closed Closed Normal
0.1 0 Closed Closed Normal
0.14 1 Closed Closed Normal
Continuous
Paper (Single
Sheet)
0.065 0 Closed Closed Normal
0.09
0 Closed Closed
Normal
Continuous
Paper (Multipart)
~0.18 1 Closed Closed Normal
~0.25 2 Open Closed Copy 1
~0.32 4 Open Open Copy 2
~0.39 5 Open Open Copy 2
~0.46 6 Open Open Copy 2
Labels 0.07 / 0.19 3 Open Closed Copy 1
Envelopes 0.16 / 0.32 4 Open Open Copy 2
0.16 / 0.40 4 Open Open Copy 2
0.22 / 0.44 4 Open Open Copy 2
0.23 / 0.46 4 Open Open Copy 2
0.26 / 0.52 5 Open Open Copy 2
Card Stock 0.22 3 Open Closed Copy 2
Figure 2-3 Platen Gap Adjustment Lever
FX-2170 Service Manual Operating Principles
Rev.A 2-3