Epson FX-870

Disassembly and Assembly
Service Checks After Repair
Before you send the printer back to the customer,
fill in the checklist in Table 4-3 to note
the current
state of the components. This checklist facilitates servicing and shipping.
Table 4-3. Inspection Checklist for Repaired Printer
--
QmwY
Printer
features
Component
Printhead
Carriage
mechanism
items to Check
Are any wires broken?
Are any wires worn out?
Does the carriage move smoothly?
0 Movement noisy, 0 Mechanism dirty,
0 Mechanism oily
Is the carriage motor at the correct
temperature and not overheating?
Is Check Requlred?
q Checked, 0 Not necessary
0 Checked, 0 Not necessary
q Checked, 0 Not necessary
q Checked, 0 Not necessary
Paper
Is paper advancing smoothly?
0 Checked, 0 Not necessary
advance
0 Movement noisy, 0 Mechanism dirty,
mechanism
0 Mechanism oily
Is the paper feed motor running at the
0 Checked, 0 Not necessary
correct temperature and not overheating?
Paper path
Is the type of paper in the printer feeding
0 Checked, 0 Not necessary
smoothly?
Is the tractor feeding the paper correctly?
0 Checked, 0 Not necessary
Is the paper path clear of all obstructions?
0 Checked, 0 Not necessary
Is the platen free of damage?
0 Checked, 0 Not necessary
Ribbon mask
Is ribbon mask free of distortion?
0 Checked, 0 Not necessary
Self-print test
Was the self-print successful?
0 Checked, 0 Not necessary
On-line test
Was the on-line test successful?
0 Checked, 0 Not necessary
Adjustment Printhead
Is the platen gap adjusted correctly?
0 Checked, 0 Not necessary
Printing
Is the bidirectional alignment adjusted
0 Checked, 0 Not necessary
correctly?
System
ROM version
The ROM version is XXX.
q Checked, 0 Not necessary
upgrade
Shipment
Has the ribbon been removed?
0 Checked, 0 Not necessary
Have all the required parts been included in
0 Checked, 0 Not necessary
the shipment?
4-2
Epson FX-870/1170