Chapter 2 Repair Guide; Repair Process; Outline Of Repair; Repair Flow - Epson TM-U220 Series Service Manual

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Chapter 2
Repair Guide
This chapter gives instructions to complete repair of the product. Follow the process in this
section for repair.

Repair Process

Outline of repair

Check each item before and after repair, as shown in the following flowchart. This chapter
explains the operations to confirm the "normal state" of the operation of items in the flowchart.
If an item is in a state other than the "normal state," follow the instructions in the chapter to
troubleshoot based on the symptom.

Repair flow

Confirming the user's environment

Confirm the printer's setting by using the service utility.

Confirming the printer status

Confirm the status of the printer you are repairing. Confirm that the power turns on/off; run the
self-test; run all function tests with the service utility, and check other items, following the table
below. Perform the appropriate measures for the symptom.
Rev. A
Confirm the right status
Troubleshooting
Assembly/disassembly
Adjustment/setting
TM-U220 (TypeB/TypeD) Service Manual
If no trouble is found, consider the product to be
normal, and send it to the user's environment.
Repair Guide 2-1