Epson Stylus Pro 4000 Field Repair Manual page 160

Stylus Pro 4000 Field Repair Guide
apply tension to the Belt.
Loosen this screw.
This spring will apply
tension to the belt.
4. Tighten the Screw, then check the Belt tension with your finger. There should be a deflection of
approximately 1/8" to 1/16".
Press here.
Look for 1/8' to 1/16" deflection
5. If the Belt has too much deflection, loosen the Screw, and add some finger pressure to the Spring
to increase the tension, and repeat step 4.
Paper Feed Timing Belt Adjustment Printer Component, Software Item, LCD Display, Printer Button
4/28/05
Page 160.