EPSON FX-890/2190 Revision B
Disassembly and Assembly Overview 67
4.1.3 Service Check After Repair
After completing repair of the product, use the check list shown below to check the
status of the repaired product and overall repair work performed before returning the
product to the users. This list can be used as a record of all service works performed
with the product.
Table 4-2. Repair Status Check List
Category Component Item to Check Status
Printer
Mechanism
Printhead Do all wires print properly?
Checked, OK
Not necessary
Carriage
Mechanism
Dose the carriage move smoothly?
•Noisy
• Any dirt or excessive oil?
Checked, OK
Not necessary
Is the CR Motor at the normal
temperature? (Not too hot?)
Checked, OK
Not necessary
Paper Feed
Mechanism
Does paper advance smoothly?
* Noisy?
* Paper is jamming?
Checked, OK
Not necessary
Is the PF Motor at the normal
temperature? (Not too hot?)
Checked, OK
Not necessary
Paper Path
Do all types of paper advance
smoothly?
Checked, OK
Not necessary
Is the tractor feeding paper
smoothly?
Checked, OK
Not necessary
Are all paper paths clear of
obstructions?
Checked, OK
Not necessary
Is the plate free of damage?
Checked, OK
Not necessary
Ribbon Mask Is the ribbon mask free of damage?
Checked, OK
Not necessary
Operation
Self-Test
Was the self-test printing
successful?
Checked, OK
Not necessary
On-line Test
Was the on-line printing
successful?
Checked, OK
Not necessary
Adjustment
Platen-Gap
Is the gap adjusted correctly?
(PG = 0.38 ( 0.02mm )
Checked, OK
Not necessary
Bi-D Alignment
Is the Bi-Directional alignment
made properly?
Checked, OK
Not necessary
ROM Version Latest version =
Checked, OK
Not necessary
Packing
Ribbon Cartridge
Has the ribbon cartridge been
removed from the printer?
Checked, OK
Not necessary
Attachments
Have all relevant attachments been
packed together with the printer?
Checked, OK
Not necessary
Table 4-2. Repair Status Check List (continued)
Category Component Item to Check Status