Epson 2080 Service Manual - Page 37

TPE Level Reset

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LQ-2080 Revision A 6. When this adjustment is completed, if you need to perform another adjustment using this program, you can continue without turning off the printer. 4.1.3 TPE Level Reset Make this adjustment when the main board or Top PE Sensor has been replaced. Generally, light level emitted from the photo diode in a photo sensor lowers with age. For this reason, the printer renews the current paper remaining level by detecting the black level of the platen each time the printer is turned on or paper is fed. When the TPE level is reset, FF is written and it approaches 00 as the time goes by. If this operation is not performed, paper out condition may be detected despite paper is set. 1. Perform the pre-operation. (See Section 4.1.1.) 2. Select "TPE Reset" in the main menu screen (Figure 4-4) and press the Enter key. The screen below appears. Adjustment Figure 4-7. Screen - TPE Reset 3. Select "Yes" and press the Enter key. FF is written in EEPROM when the printer power is turned off. Overview 37

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LQ-2080
Revision A
Adjustment
Overview
37
6.
When this adjustment is completed, if you need to perform another
adjustment using this program, you can continue without turning off
the printer.
4.1.3
TPE Level Reset
Make this adjustment when the main board or Top PE Sensor has been
replaced. Generally, light level emitted from the photo diode in a photo
sensor lowers with age. For this reason, the printer renews the current
paper remaining level by detecting the black level of the platen each
time the printer is turned on or paper is fed. When the TPE level is reset,
FF is written and it approaches 00 as the time goes by. If this operation
is not performed, paper out condition may be detected despite paper is
set.
1.
Perform the pre-operation. (See Section 4.1.1.)
2.
Select “TPE Reset” in the main menu screen (Figure 4-4) and press
the Enter key. The screen below appears.
Figure 4-7.
Screen - TPE Reset
3.
Select “Yes” and press the Enter key. FF is written in EEPROM
when the printer power is turned off.
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