Service Checksafterrepair - Epson LQ-300 Service Manual

Disassembly and Assembly
3.1.3 Service Checks After Repair
Before returning the printer after service, use the checklist in Table 3-3, which provides a record to
make servicing and shipping more effiaent.
Table 3-3. Inspection Check list for Repaired Printer
Category Component
Printer
units
Carriage
mechanism
Paper
advance
mechanism
Paper path
Ribbon
mask
Self-print
test
On-line test Was the on-line test successful?
Adjustment Printhead
printing
Default
setting
System ROM
upgrade version
Shipment
3-2
Item to
Check
Are any wires broken?
Are any wires worn out?
Does the oarriage move smoothly?
Movement noisy Q Mechanism dirty
Mechanism oily
Is the CR motor at the
Is paper advancing smoothly?
Movement noisya Mechanism dirty
Mechanism
Is the paper advanoe motor running
at the correct temperature (not
overheating)
Is the &oe of paper in the printer
feeding smoothly?
Is the tractor feeding the paper
correctly?
Is the paper path clear of all
obstructions?
Is the platen free of damage?
Is the ribbon mask free of distortion?
Was the self-print successful?
Is the platen gap adjusted correctly?
Is the bidirectional print position
adjusted oorreotly?
Have user-ohangeable settings been
reset to the default value?
ROM version
Has the ribbon been removed?
Have all relevant parts been included
in the shipment?
Is Check Required?
Checked Not necessary
Checkeda Not neoessary
Checked D Not neoessary
Checked UNot necessary
Checkedn Not neoessary
Checked Not neoessary
Checked Not neoessary
Checkedn Not neoessary
Checked Not neoessary
Checked Not neoessaty
Checkedn Not necessary
Checked Not necessary
Checked Not necessary
Checked Not necessary
Checked D Not necessary
Checked Not necessary
Checked Not necessary
Checked Not necessary
Checked Not necessary