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11.18 Media Movement Erratic
If the media moves erratically during plotting or the plot quality is poor,
perform the following actions until the problem is corrected.
1. The Stepper Motor connector (JP5) on the MPCB may be loose or
intermittent.
Chapter 5, Section 11.3.2.
2. Drive circuits may be faulty.
Chapter 5, Section 11.3).
MPCB (be sure to reprogram the Flash EPROM). See Chapter 5,
Section 4.3 and Appendix A.
3. The media may be slipping due to:
a.
b.
c.
CADJET 2
Check the cabling and seat the connector.
Upper Roller Supports are not in proper adjustment. See
Chapter 6, Sections 7.0 and 8.0 for the "Paper Skew
Adjustment."
Upper Rollers and/or Lower Rollers are dirty. To clean the
rollers, see Chapter 3, Section 7.0.
Upper Rollers are worn. If the Upper Roller Supports need to
be replaced, see Chapter 5, Section 14.0.
Replace the Stepper Motor (see
You may also need to replace the
Troubleshooting
See
4-61
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