Epson EPL-N1200 Service Manual - Page 113

OVERVIEW, 2 SELF-DIAGNOSTIC FUNCTION, Table 5-1., Messages Requiring Service Maintenance

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EPL-N1200 Service Manual Troubleshooting 5.1 OVERVIEW The EPL-N1200 has a sophisticated, built-in, self-diagnostic function that reduces troubleshooting time by identifying failed parts or components. This self-diagnostic test overcomes the troubleshooting problems for page printers, in which even a trivial failure can result in a serious print quality problem. 5.2 SELF-DIAGNOSTIC FUNCTION This section describes the self-diagnostic function in which the controller automatically checks the operating conditions of each component. If any abnormality is detected, the printer displays an error message on the LCD panel. Table 5-1 lists the messages that tell you if service maintenance is required. Table 5-1. Messages Requiring Service Maintenance Error Number Error Condition E0003 E0005 E0006 E0009 E0014 C0001 C0002 C0003 C0004 C0007 C0009 C0010 C0017 to 31 C0036 C0128 to 254 C0255 C1000 C1001 C1002 C1003 C1100 C1101 C1120 C1121 C1122 C1123 C1170 C1180 C1200 C1210 C1400 C1999 C2000 A,B,D,F-Z Fusing Unit Error Fan Motor Error Scanner Mirror Motor Error Laser Light Error Communication Error for Engine Controller and main Controller CPU error (reserved) CPU error (privilege violation) CPU error (illegal instruction) CPU error (no support FPU instruction) CPU error (address misalignment) CPU error (reserved) CPU error (tag overflow) CPU error (no support interrupt) CPU error (no support coprocessor instruction) CPU error (unimplemented instruction) CPU error (break error) RAM error (no RAM present RAM error (insufficient RAM for minimum stack) RAM error (insufficient RAM for standard size) Optional RAM error Font ROM checksum error (0 - 15 bits) Font ROM checksum error (16 - 31 bits) Program ROM checksum error (0 - 7 bits) Program ROM checksum error (8 - 15 bits) Program ROM checksum error (16 -23 bits) Program ROM checksum error (24 -31 bits) NLSP font ROM checksum error Option ROM SIMM checksum error EEPROM write error EEPROM write counter overflow Engine initialization fault Other main controller error Software error Other software error Error Type Engine Error CEMroarnointrropller ESrorfotwr are Rev. A 5-1

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5.1 OVERVIEW
The EPL-N1200 has a sophisticated, built-in, self-diagnostic function that reduces troubleshooting
time
by
identifying
failed
parts
or
components.
This
self-diagnostic
test
overcomes
the
troubleshooting problems for page printers, in which even a trivial failure can result in a serious print
quality problem.
5.2 SELF-DIAGNOSTIC FUNCTION
This section describes the self-diagnostic function in which the controller automatically checks the
operating conditions of each component. If any abnormality is detected, the printer displays an error
message on the LCD panel. Table 5-1 lists the messages that tell you if service maintenance is
required.
Table 5-1.
Messages Requiring Service Maintenance
Error
Number
Error Condition
Error Type
E0003
Fusing Unit Error
Engine Error
E0005
Fan Motor Error
E0006
Scanner Mirror Motor Error
E0009
Laser Light Error
E0014
Communication Error for Engine Controller and main Controller
C0001
CPU error (reserved)
Main
Contropller
Error
C0002
CPU error (privilege violation)
C0003
CPU error (illegal instruction)
C0004
CPU error (no support FPU instruction)
C0007
CPU error (address misalignment)
C0009
CPU error (reserved)
C0010
CPU error (tag overflow)
C0017 to 31
CPU error (no support interrupt)
C0036
CPU error (no support coprocessor instruction)
C0128 to 254
CPU error (unimplemented instruction)
C0255
CPU error (break error)
C1000
RAM error (no RAM present
C1001
RAM error (insufficient RAM for minimum stack)
C1002
RAM error (insufficient RAM for standard size)
C1003
Optional RAM error
C1100
Font ROM checksum error (0
- 15 bits)
C1101
Font ROM checksum error (16
- 31 bits)
C1120
Program ROM checksum error (0 - 7 bits)
C1121
Program ROM checksum error (8 - 15 bits)
C1122
Program ROM checksum error (16 -23 bits)
C1123
Program ROM checksum error (24 -31 bits)
C1170
NLSP font ROM checksum error
C1180
Option ROM SIMM checksum error
C1200
EEPROM write error
C1210
EEPROM write counter overflow
C1400
Engine initialization fault
C1999
Other main controller error
C2000
Software error
A,B,D,F-Z
Other software error
Software
Error
EPL-N1200 Service Manual
Troubleshooting
Rev. A
5-1