Epson 2070 Service Manual - Page 125

Table 5-3 Motor Test Points, Table 5-4 Indicators and Buzzer, 2.3 Motors

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LQ-2070 Service Manual 5.2.3 Motors Table 5-3 Motor Test Points Troubleshooting Motor Connector Number CR Motor CN11 PF Motor CN10 Common Pin Number Test Pin Number 5 1, 2, 3, 4 - 1, 2, 3, 4 Test Method (Set Meter to Ohms. Disconnect Motor from Main Board after the Printer is Powered off.) Place one lead on pin 5 and the other lead on each of 4 test pins. Place one lead on pin 1 and other lead on pin 3. Place one lead on pin 2 and other lead on pin 4. Meter Reading 2.7 Ω ± 10 % (at 25° C, 77° F) 16 Ω ± 10% (at 25° C, 77° F) 5.2.4 Error Codes with Indicators and Buzzer Table 5-4 Indicators and Buzzer Error Condition Indicator ^ Pause Paper Out Tear Off / Bin Condensed Font Paper Out On On - - - Paper Jam Head Hot Release Lever Error On Blinks On Blinks - - - Blinks - - - - - - - Fatal Error Blinks Blinks Blinks Blinks f 1: r indicates that the beep sounds for 100 ms with an interval of 100 ms. q indicates that the beep sounds 500 ms with an interval of 100 ms. Blinks Buzzer f1 ^ r×3 q×5 - q×5 q×5 Rev.A 5-3

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5.2.3 Motors
Table 5-3 Motor Test Points
Motor
Connector
Number
Common
Pin
Number
Test Pin
Number
Test Method
(Set Meter to Ohms. Disconnect
Motor from Main Board after the
Printer is Powered off.)
Meter Reading
CR Motor
CN11
5
1, 2, 3, 4
Place one lead on pin 5 and the
other lead on each of 4 test pins.
2.7
Ω±
10 %
(at 25° C, 77° F)
PF Motor
CN10
—
1, 2, 3, 4
Place one lead on pin 1 and other
lead on pin 3.
Place one lead on pin 2 and other
lead on pin 4.
16
Ω±
10%
(at 25° C, 77° F)
5.2.4 Error Codes with Indicators and Buzzer
Table 5-4 Indicators and Buzzer
Error
Condition
Indicator
Buzzer
1
^
Pause
Paper Out
Tear Off /
Bin
Condensed
Font
^
Paper Out
On
On
—
—
—
×
3
Paper Jam
On
Blinks
—
—
—
×
5
Head Hot
Blinks
—
—
—
—
—
Release Lever
Error
On
Blinks
—
—
—
×
5
Fatal Error
Blinks
Blinks
Blinks
Blinks
Blinks
×
5
1:
indicates that the beep sounds for 100 ms with an interval of 100 ms.
indicates that the beep sounds 500 ms with an interval of 100 ms.
LQ-2070 Service Manual
Troubleshooting
Rev.A
5-3