Chapter 5 Maintenance, Inspection, Lubrication, And Cleaning; Periodic Maintenance Or Inspection; Lubrication; Cleaning - Epson TM-L90 series Service Manual

Confidential
Chapter 5
Maintenance, Inspection, Lubrication, and Cleaning

Periodic Maintenance or Inspection

There are no parts in this product that require periodic maintenance or inspection.

Lubrication

There are no parts in this product that require periodic lubrication.
Lubrication is required during disassembly and assembly. Observe the instructions on
lubricants and lubrication points described in Chapter 3, "Disassembly and Assembly."
The table below lists the lubricants used in this product.
Table 5-1 Lubricants
Type Name
Grease G-15
G-36
G-45

Cleaning

Recommended Cleaning

It is recommended that you perform the following cleaning during repair. Observe the
precautions in the front of Chapter 3 before cleaning.
Table 5-2 Recommended cleaning
Checkpoints
Whether any dust or foreign material adheres to
thermal print head.
Whether any paper dust or foreign material adheres
to LED holder assembly.
Whether any paper dust or foreign material adheres
to BM paper detector circuit board assembly.
Whether any paper dust or foreign material adheres
to platen assembly.
Whether any paper dust or foreign material is present
on the cutter blade.
Whether any paper dust, dirt, or foreign material
adheres to or is inside other parts.
Rev.B
Cleaning method
See "Cleaning the thermal head" section in this chapter.
Remove the dust or foreign material with a cotton swab
lightly dampened with water.
Remove the dust or foreign material with l a cotton swab
lightly dampened with water.
Clean the platen with a cotton swab or cloth lightly
dampened with water.
Wipe off with dry cloth or cotton swab.
Clean thoroughly using a small vacuum cleaner for
computer equipment.
Maintenance, Inspection, Lubrication, and Cleaning 5-1
TM-L90 Service Manual