Xerox 7142 Service Manual - page 74

4 Parts Replacement

RJ-901C/RJ-900C 　 Maintenance Manual

4-28

3. Remove the PF_ENC assembly-retaining screw (tapping screw M2 

×

 5: 2pcs).

4. Replace the PF_ENC assembly.

5. To reassemble the unit, reverse the removal procedure.

6. Perform adjustments by following the instructions in 

"7.2 Adjustment Item" p.7-3

.

4.4.3

Replacing PF_ENC Scale

NOTE

Before replacing parts in the PF_ENC scale assembly, remove the following parts.

• L  side  cover: 

"4.2.3 Removing L Side Cover" p.4-9

1. Remove the ENC holder-retaining screw (tapping screw M3 

×

 6, P tight cup).

2. Replace the PF scale.

3. To reassemble the unit, reverse the removal procedure.

No.

Part name

1

Clamp

2

PF_ENC assembly screw

3

PF_ENC assembly

No.

Part name

1

ENC holder screw

2

PF_ENC scale

3

ENC holder

1

2

3

2

3

1

1