Head Data Writing Operation
Data unique to the specific black printhead installed in the printer is stored in the EEPROM on the
C172 MAIN board. This value must be rewritten to the EEPROM when the prinhead, main board,
or EEPROM chip is replaced, and also whenever the EEPROM is reset. On the other hand, when an
optional color head is installed on the carriage, color head data is automatically set in the printer.
CAUTION
Before running this program, be sure the interface setting is set to parallel or auto select.
1. Connect a PC to the target printer via port LPT1 using a parallel interface cable, and turn the
printer on.
2. Load GW-BASIC on the PC and run the program ST1500.BAS. Then the main menu appears,
as shown below:
Customer Data
Printer Setting [********]
3. Using Table 4-3, input the appropriate 8-digit ID number for the destination as the printer
setting for “Customer Data.” (For example, the U.S. market, or EAI: 20000A00 ). Then the
main menu appears, as shown below.
Stylus 1500
Customer Data <********> 95/**/**
<< Menu 1 >> <<Menu 2>>
Head Data Writing --------------
----------------- --------------
Black Head Angle Adj. END
Uni-D Adj. Destination Data Writing only
Bi-D Adj. Initial Ink Charging
Color Head Angle Adj. Black - Color HV Adj.
Head Gap Adj.
--------------
Select:<Up> or <Down> Go:<SPACE> or <ENTER> Change menu:<1> or <2>
4. Move the cursor to “Head Data Writing Only” to perform the black head data writing
operation by pressing 1, 2, ↑, and ↓.
5. Press the SPACE and ENTER keys to input the head data (Head Voltage Values). The head
voltage values display appears. Refer to the printhead circuit board to input the head data.
(See Figure 3-16.)
Nozzles
Rank of Holding Time 2
Normal Dot Drive Voltage
Micro Dot Drive Voltage
Serial Number
Black Head
Figure 4-4. Printhead Voltage Value
Adjustments
EPSON Stylus 1500 Service Manual 4-9
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