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DFX-8500
Rev. B
4-
2
4.1.2 Carriage Timing Belt Tension Adjustment
The carriage timing belt tension must be adjusted when any carriage mechanism part (such as the CR motor,
belt pulley, or carriage timing belt) is disassembled. Remove the printer mechanism before performing this
adjustment. (Refer to Section 3.2.6)
;
Before performing this adjustment, carefully secure the printer mechanism because a 7 kg (15.4 lb.)
force is applied to it when the tension lever is pulled in the horizontal direction.
Step 1: Loosen the three tension adjustment screws on the CR motor. Confirm that the carriage timing belt is
attached properly and that no load is applied to it.
Step 2: Insert the tension gauge hook through the hole in the tension lever.
Step 3: Pull the tension gauge horizontally to apply a 7 kg (15.4 lb.) force.
Step 4: Move the belt left and right while pulling the tension gauge, and move the motor pulley slightly.
Step 5: Tighten the three CPS(M4x10) tension adjustment screws and secure them while the 7 kg (15.4 lb.)
force is applied.
Step 6: Finish tightening the three tension adjustment screws with 12 Kg cm torque.
CAUTION
7000 gf + 200 gf
CPS(M 4X10)
Figure 4-2. Carriage Timing Belt Tension Adjustment