Lf Drive Belt Tension Adjustment - Epson DFX-9000 Service Manual

Epson DFX 9000

5.2.2 LF drive belt tension adjustment

Summary
This adjustment is required after you remove or replace these parts:
LF BELT
DV ROLLER R UNIT
DV ROLLER F ASSY
PJS ROLLER ASSY
PJS HOLDER ASSY
Tools / materials: Tension Gauge
Objective: 400 ± 20 gf measured tension on the LF BELT.
Adjustment Procedure
Before performing this adjustment, remove these parts:
C H E C K
P O I N T
FRONT COVER ASSY
REAR UNIT
OP UNIT
UPPER UNIT
Turn the printer off and disconnect the AC cable before
W A R N I N G
you perform the following work.
1. Loosen the screw that secures the TENSION PULLEY UNIT, and
then lightly tighten the screw to secure the unit temporarily.
Adjustment
2. Push the belt with the Tension Gauge at the location and direction
shown in Figure
when the belt is just touching the tension pulley as shown. If the belt
tension is not correct, adjust the tension following the steps below.
LF Drive Belt
TENSION PULLEY UNIT
Adjust direction:
Up to tighten
Down to loosen
Tension Gauge
contact point
Figure 5-2. LF Drive Belt Tension Adjustment
Hardware adjustment
5-2, and verify that the tension level is 400 ± 20 gf
Point of maximum
Screw
Revision B
belt deflection for
tension
measurement
Tension
pulley
222