Service Checks After Repair - Epson Stylus Color 640 Service Manual

EPSON Stylus Color 440/640/740

4.1.4 Service Checks After Repair

Before returning the printer after servicing, use the check list below,
which enables you to keep record of servicing and shipping more
efficiently.
Category
Printer units
Adjustment
Lubricant
Function
Shipment
package
Others
Chapter 4 Disassembly and Assembly
Table 4-3. Inspection Checklist for the Repaired Printer
Component
Self-test Is the operation normal?
On-line test Was the on-line test successful?
Print head Is ink ejected normally from all nozzles?
Carriage Does the carriage move smoothly?
mechanism
Any abnormal noise during movement?
Any dirt or obstacles around the shaft of carriage
guide?
Is the CR motor at the correct temperature
(not over heating)?
Paper feeding Is paper fed smoothly?
mechanism
Does paper get jammed?
Does paper get skew during paper feeding?
Are papers multi fed?
Does the PF motor get overheated?
Abnormal noise during paper feeding?
Is the paper path clear of all obstructions?
Specified adjustment items Are adjusted conditions all right?
Specified lubricated item Is lubrication applied to the specified locations?
Is the quantity of lubrication adequate?
ROM version Newest version:
Ink cartridges are the ink cartridges installed correctly?
Protection conditions during Is all the pointed parts firmly fixed?
transport
Attached items Are all attached items from users included?
Item to check


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /


Checked /
Revision A
Is Check Required?


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary


Not necessary
103