Service Checks After Repair - Epson LX-300+ Service Manual

LX-300+/1170

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