Mechanical Adjustment; Pf Timing Belt Tension Adjustment - Epson Stylus Pro 3800 Service Manual

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890

5.2 Mechanical Adjustment

5.2.1 PF Timing Belt Tension Adjustment

Purpose
In order to apply a proper tension to the PF timing belt, this adjustment must be
carried out whenever the belt is replaced.
Required Tool
Sonic Tension Meter U-507
Tweezers or a similar tool to pluck the Timing Belt
Utility Tool (adjustments can be carried out without this)
Code type microphone (U505)
Standard Value
12.05 to 15.05N
Procedure
When carrying out the following procedure, be careful not to
C A U T I O N
deform or damage the SCALE, PF.
1. Input the following belt information to the tension meter.
M: 001.3 g/m
W: 005.0 mm
S: 0052 mm
2. Put the measurement microphone of the tension meter near the timing belt.
Bring the measurement microphone closer to the belt within a
C H E C K
P O I N T range of about 5 mm away from the belt. Be careful not to make
them contact with each other.
3. Push the [MEASURE] button on the tension meter and pluck the timing belt
using the tweezers to perform the tension measurement.
ADJUSTMENT
Pluck the belt as gently as possible so it can be measured by the
C A U T I O N
tension meter.
Do not allow the measurement microphone and the timing belt
to contact with each other when the belt is plucked.
Mechanical Adjustment
Within 5mm
Figure 5-4. Tension Measurement
Revision C
217