Carriage Timing Belt Tension Adjustment - Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual

Adjustment

4.1.2 Carriage Timing Belt Tension Adjustment

CR motor timing belt tension must be adjusted when any carriage mechanism part (such as the
CR pulley, or carriage timing belt) is disassembled. Remove the printer mechanism
motor, belt
before performing this adjustment. (Refer to Section 3.2.6)
performing this adjustment, carefilly secure the printer mechanism because a 4 kg(8.8 lb)
Before
force is applied to it when the tension leoer is pulled in the horizontal direction.
Refer to Figure 42 and loosen the 3 tension adjustment screws on the CR motor. (Loosen the
1.
screws, but do not remove them.)
2. Confirm that the carriage timing belt is attached properly and that no load is applied to it.
Insert the tension gauge hook through the hole in the tension lever. (Refer to Figure 42.)
3.
Pull the tension gauge horizontdy to apply a 4 kg (8.8 lb) force.
5. Move the belt left and right while pulling the tension gauge, and move the motor pulley
slightly.
6. Tighten the 3 tension adjustment saews and secure them while the 4 kg (8.8 lb) force is
applied.
7.
Finish tightening the 3 tension adjustment saews.
Figure 4-2. Carriage Timing Belt Tension Adjustment
4-2
Manual