Epson STYLUS COLOR 480, Service Manual

Page: 117 / 149

EPSON Stylus COLOR 480 Revision B
Adjustment Individual service adjustment program feature 117
5.3 Individual service adjustment program feature
This program menu is almost same as the previous adjustment program. However, this
program can run under the D4 protocol. So, followings new function is available.
o
Get status function
This function can check the printer status even if the printer is error condition
except the main (CPU, I/F receiver IC, RAM) logic circuit failure, and control the
printer by using the D4 mode functions.
o
Protection counter reset/check function (waste drain ink pad counter)
The previous adjustment program runs under the IEEE1284 Nibble protocol.
So, in case the protection counter reaches to the limit counter, the protection
counter reset function is not available because the printer is error condition
(maintenance error). However, this function of this program can reset the counter
even if the maintenance error occurs.
o
EEPROM check function
You can check the EEPROM data or can write down the specific data into the
EEPROM directly by using this function even if the printer is error condition.
However, in case the one of the main logic circuit (CPU, I/F receiver IC,
EEPROM, RAM) is broken, this function is not available.
o
Refurbishment for DOA
This function charge the cleaning liquid into the printhead cavity and eject the
cleaning liquid to the waste drain ink pad. By this operation, the printhead and cap
assembly is cleaned. Prepare the dummy ink cartridge and S46 cleaning liquid,
injector before use this program.
Depending on the situation, use the individual adjustment program. In this section, we
will explain only the important item and notice about the usage of this program.
5.3.1 Get status function
This function is available in the Individual service adjustment program also. Use this
function depend on the situation. However, if any error occurs on the printer while
using the program, Status monitor is displayed automatically and indicates the error
status for your confirmation. This function is completely same as the Get status
function built in the Sequential repair service program.
5.3.2 Head cleaning function
This printhead cleaning is CL1’and about 1/8 of the brand-new black I/C and 1/18 of
the brand-new color I/C are consumed. Before use this function, check the remaining
ink amount of the both I/C by using the “Get status” function.
5.3.3 Initial ink charge function
This function consume about 1/2 of the brand-new black I/C and 1/7 of the brand-new
color I/C. Before use this function, check the remaining ink amount of the both I/C by
using the “Get status” function. So, do not use this function frequently.
5.3.4 Protection counter check/reset
This function resets or checks the current waste drain ink pad counter.
Especially, use the counter check function before return the repair product to your
customer. If the waste drain ink pad counter is near end condition, contact your
customer and recommend your customer to replace the waste drain ink pad with new
one.