Epson EPL-N1200 Service Manual - Page 116

Table 5-7., The LCD Displays Illegal AUX I/F Card or Illegal I/F Module, The LCD Displays Feed Jam

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Troubleshooting EPL-N1200 Service Manual Table 5-7. The LCD Displays Illegal AUX I/F Card or Illegal I/F Module Cause Step Checkpoint Finding Solution The installed I/F card or I/F Can this printer use the Replace with a module may be illegal. (Check 1 inserted I/F card or I/F No supported I/F card the user's guide.) module? or module. The I/F card or I/F module may be dead. 2 Does this printer recognize another, legal I/F card or I/F module? Yes Replace the I/F card or I/F module. The C205 MAIN board may be dead. 3 - - Replace the C205 MAIN board. Table 5-8. The LCD Displays Feed Jam Cause Step Checkpoint Finding Solution Connector for paper take-up solenoid may be 1 Is connector disconnected? Yes Connect it. disconnected. Disconnect connector CN6 on the engine controller board and check coil resistance between pin 4 and pin 5 on the disconnected cable side No Replace the paper take-up solenoid. of the connector using a multimeter. Is the resistance approximately 82 ohms? If the coil is shorted, check The paper take-up solenoid coil may be open or shorted. 2 the solenoid drive circuit using the procedure below: 1. Set the multimeter for voltage range. 2. Place the (-) terminal of the multimeter on pin 7 of connector CN6 on the engine controller board. 3. Place the (+) terminal of Replace the paper Yes take-up solenoid and the engine controller board. the multimeter on pin 5 (PICK-UP1). With power on, does the multimeter detect any voltage? Paper take-up sensor flag position may be incorrect. 3 Is paper take-up sensor flag position incorrect? Yes Reseat the paper take-up sensor flag. Paper take-up roller may be bad. 4 - - Replace the paper take-up roller. 5-4 Rev. A

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Table 5-7.
The LCD Displays Illegal AUX I/F Card or Illegal I/F Module
Cause
Step
Checkpoint
Finding
Solution
The installed I/F card or I/F
module may be illegal. (Check
the user’s guide.)
1
Can this printer use the
inserted I/F card or I/F
module?
No
Replace with a
supported I/F card
or module.
The I/F card or I/F module
may be dead.
2
Does this printer recognize
another, legal I/F card or I/F
module?
Yes
Replace the I/F
card or I/F module.
The C205 MAIN board may be
dead.
3
—
—
Replace the C205
MAIN board.
Table 5-8.
The LCD Displays Feed Jam
Cause
Step
Checkpoint
Finding
Solution
Connector for paper take-up
solenoid may be
disconnected.
1
Is connector disconnected?
Yes
Connect it.
The paper take-up solenoid
coil may be open or shorted.
2
Disconnect connector CN6
on the engine controller
board and check coil
resistance between pin 4
and pin 5 on
the disconnected cable side
of the connector using a
multimeter.
Is the resistance
approximately 82 ohms?
No
Replace the paper
take-up solenoid.
If the coil is shorted, check
the solenoid drive circuit
using the procedure below:
1. Set the multimeter for
voltage range.
2. Place the (-) terminal of
the multimeter on pin 7
of connector CN6 on the
engine controller board.
3. Place the (+) terminal of
the multimeter on pin 5
(
PICK-UP1).
With power on, does the
multimeter detect any
voltage?
Yes
Replace the paper
take-up solenoid
and the engine
controller board.
Paper take-up sensor flag
position may be incorrect.
3
Is paper take-up sensor flag
position incorrect?
Yes
Reseat the paper
take-up sensor flag.
Paper take-up roller may be
bad.
4
—
—
Replace the paper
take-up roller.
Troubleshooting
EPL-N1200 Service Manual
5-4
Rev. A