Service Checks After Repair - Epson LX-300 Service Manual

EPSON LX-300+

4.1.3 Service Checks After Repair

Before returning the printer back to the user, use the check list below to
confirm the quality of the repaired printer.
Table 4-3. Check List for Repaired Printer
Category Component
Is dot missing?
Printhead
Are any wires broken?
Does carriage move smoothly?
Carriage
mechanism
Is the CR motor assembly at the
correct temperature?
(Not overheating?)
Is paper advancing smoothly?
Paper feed
mechanism
Printer
Is the PF motor assembly at the
Mechanism
correct temperature?
(Not overheating?)
Are all the types of paper fed
smoothly?
Does the tractor feed paper
smoothly?
Paper path
Is the paper path clear of
obstructions?
Is the platen free of damage?
Ribbon Is the ribbon mask free of
mask distortion?
Test printing Is the test printing successful?
Online
Is the online printing successful?
printing
Disassembly and Assembly
Item to Check
CR movement is not noisy?
CR mechanism is not dirty?
CR mechanism is not oily?
PF movement is not noisy?
PF mechanism is not dirty?
PF mechanism is not oily?
Table 4-3. Check List for Repaired Printer
Category
Adjustment
Check
OK NG
OK NG
Version Up
OK NG
Transportation
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
Overview
Component Item to Check
Is the platen gap adjusted
correctly?
Printhead
Is Bi-d adjustment value correct?
Have all user changeable
Initial
settings been reset to the default
setting
value?
ROM
Latest ROM version ________
version
Ink ribbon Is ribbon removed?
Are all the relevant parts
accessories
included in the shipment?
Revision A
Check
OK NG
OK NG
OK NG
OK NG
OK NG
OK NG
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