Epson LQ-300 + - Service Checks After Repair

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EPSON LQ-300+ Revision C
Disassembly and Assembly Overview 55
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.
Category Component Item to Check Check
Printer
Mechanism
Printhead
Does dot missing occur? OK NG
Are any wires broken? OK NG
Carriage
mechanism
Does the Carriage move smoothly?
CR movement is not noisy?
CR mechanism is not dirty?
CR mechanism is not oily?
OK NG
Is the CR motor assembly at the
correct temperature?
(Not overheating?)
OK NG
Paper feed
mechanism
Is paper advancing smoothly?
PF movement is not noisy?
PF mechanism is not dirty?
PF mechanism is not oily?
OK NG
Is the PF motor assembly at the correct
temperature?
(Not overheating?)
OK NG
Paper path
Are all the types of paper fed
smoothly?
OK NG
Does the tractor feed paper smoothly? OK NG
Is the paper path clear of obstructions? OK NG
Is the platen free of damage? OK NG
Ribbon mask Is the ribbon mask free of distortion? OK NG
Test printing Is the test printing successful? OK NG
Online
printing
Is the online printing successful? OK NG
Adjustment
Printhead
Is the platen gap adjusted correctly? OK NG
Is Bi-d adjustment value correct? OK NG
Initial setting
Have all user changeable settings been
reset to the default value?
OK NG
Version Up ROM version Latest ROM version ________ OK NG
Transportation
Ink ribbon Is ribbon removed? OK NG
accessories
Are all the relevant parts included in
the shipment?
OK NG
Category Component Item to Check Check