Digital Input Test - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000
[Patch test print pattern]
The printer prints the patch test print patterns (Cin50% patch) as shown
below.
NOTE: Cin50% patch: Image that has been developed for every 3 dots.
For more details, see Chapter 2.
NOTE: Depending on the specifications, there may not be a top margin
and the top part of the image may be out of the paper area.
NOTE: Use paper longer than 210mm in the paper feed direction.
NOTE: If "Wide" has been set in the Image Area Selection for the MCU
PWB EEPROM (NVM), there will not be right/left margins in the
test print pattern.
Figure 4-4. Patch Test Print Pattern
Chapter 4 DIAGNOSTICS

4.2.6.4 Digital Input Test

You can detect the High/Low level in the signals output from a switch or
sensor that has a digital signal.
Table 4-13. Digital Input Test Parameter
DIAGON command: 75 DIAGOFF command: 76
DIAGSTART command (Digital Input Test): 90 01 XX XX
DIAGSTOP command (Digital Input Test): Unnecessary
Parameter Function
1 Diagnostic type
2 Code_DI
3 Data
With status (90 01 XX XX) only
NOTE: The status parameter 3 (data) is 1 byte data (Hex) in the device
code 32, 3F, 43, 44 and 45.
Example) Coomand
90 01 03
TRO Sensor
Digital Input Test
DIAGSTART command
Example) Status
90 01 03
01
High
TRO SNR
Digital Input Test
DIAGSTART command
Data (Hex)
01: Digital Input Test
Device code (see Section 4.2.6.5.)
Status: 00: Low, 01: High or XX (Data)
Rev. B
4-21