Epson LX-300 Service Manual

Disassembly and Assembly
LXXX) Service Jl&mual
3.1.3 Service Checks After Repair
Before returning the printer after service, use the checklist in Table 3-3, Whib provides a record to
make servicing and shipping more effiaent.
Table 3-3. Inspection Checklist for Repaired Printer
Category
Component
Item to Check
Is Check Required?
Are
any wires broken?
❑ Chsck@ ❑ Not necessq
Printhead
Are any wires worn out? ❑ Checkedn Not necessary
Does the carriage move smoothly?
~amage ❑ Movement noisyn Mechanism dirty
D Checked ❑ Not necessary
mwhanism ❑ Mechanism oily
Is the CR motor assembly at the
❑ Checkeda Not necessary
correct temperature (not overheating)
Is paper advancing smooth~
❑ Movement noiayu Mechanism dirty
D Checked H Not necessary
Paper
❑ Mechanism oily
advance
mechanism
IS the Pper adVSTICe motor running
at the correct temperature (not ❑ Checked ❑ Not n=essa~
Printer
overheating)
units
Is the type of paper in the printer
feeding smoothl~
❑ Checked ❑ Not necessary
Is the tractor feeding the paper
❑ Checked ❑ Not necessary
Paper path
~rr-lw
Is the paper path cfear of all
❑ Chackedn Not necessary
obstructions?
Is the platen free of damage?
❑ Chackad ❑ Not necessary
Ribbon
IS the ritin mask free of distortion?
❑ Checkedn Not necessary
mask
Self-print
test
Was the self~rint successful?
❑ Checked D Not neceasaty
On-line test Was the on-line test suocess
fui9
❑ Checked ❑ Not necessary
Is the platen gap adjusted correctly?
H Checked ❑ Not necessary
Printhead
printing
IS the bidirectional print position
Adjustmen t
❑ Checkedn Not necessary
adjusted corractfy?
Defautt
Have user changeable settings been
❑ Checked ❑ Not necessary
setting
reset to the default value?
ROM
ROM version
❑ Checkecf ❑ Not necessary
version
System
Has the ribbon been removed?
❑ Checked ❑ Not necessary
upgrade
Shipment
Have all relevant parts been included
❑ Chalked ❑ Not necessa~
in the shipment?
i,-.
r
: ,..
3-2
Rev.A

Epson LX-300 Specifications

General

Print Method	9-pin impact dot matrix
Interface	Parallel
Paper Handling	Friction feed, tractor feed
Weight	4.4 kg
Operating Environment	Temperature: 5 - 35°C, Humidity: 10 - 80%