7.5.1 LCD Message List
When the printer detects errors that can be restored, it displays a service call error on the LCD, as
shown below.
Service Call
nnn: Error
nnn is an Error code.
When a service call is displayed, the error code and accompanying error information is displayed on
the bottom row of the LCD. The meaning of the error code and the overview of the remedies are
indicated in Table 7-1-1.
Note
judgment
Yes
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
No
No
Yes
No
No
No
Yes
No
Yes
No
Yes
Cause
CPU Exception
CU ROM Hash
Check Error 1
CU Font ROM
Hash Error
CU Resident
RAM Check
Error
CU Slot1 DIMM
RAM Check
Error
CU Slot2 DIMM
RAM Check
Error
Slot1 RAM
Spec error
Specification of
DIMM in CU
RAM slot is
unsupported.
Slot2 RAM
Spec error
Specification of
DIMM in CU
RAM slot2 is
unsupported.
CU EEPROM
ERROR
CU FLASH
ERROR
CU PCB flash
ROM error
Error Description and Analysis
Is the error display
reproducible?
Is the error display
reproducible?
Is the Slot A ROM DIMM
mounted properly?
Is operations restored by
replacing the Slot A ROM
DIMM?
Detected a Font ROM_DIMM
hash check error.
(Japan Model only)
Is the error display
reproducible?
Is the applicable RAM DIMM
mounted properly?
Is operation restored by
replacing the applicable RAM
DIMM?
Is the applicable RAM DIMM
mounted properly?
Is operation restored by
replacing the applicable RAM
DIMM?
Is this a standard RAM
DIMM?
Is the applicable RAM DIMM
difference mounted normal?
Is operation restored by
replacing the applicable RAM
DIMM?
Is this a standard RAM DIMM?
Is the applicable RAM DIMM
difference mounted normal?
Is operation restored by
replacing the applicable RAM
DIMM?
Is the problem corrected by
replacing the CU PCB
EEPROM?
Is the error display
reproducible?
Remedy
Power OFF/ON
Replace CU PCB.
(Must replace EEPROM)
Remount Slot A ROM DIMM
Replace Slot A ROM DIMM.
Replace CU PCB.
(Must replace EEPROM)
Is the Slot B ROM DIMM1
mounted normally?
Is the problem corrected by
replacing the Slot B ROM
DIMM1?
Replace CU PCB.
(Must replace EEPROM)
Re-mount applicable RAM
DIMM.
Replace RAM DIMM.
Replace CU PCB.
(Must replace EEPROM)
Re-mount applicable RAM
DIMM.
Replace RAM DIMM.
Replace CU PCB.
(Must replace EEPROM)
Use a standard RAM DIMM.
Re-mount applicable RAM
DIMM.
Replace RAM DIMM
Replace CU PCB.
(Must replace EEPROM)
Use a standard RAM DIMM.
Re-mount applicable RAM
DIMM.
Replace RAM DIMM.
Replace CU PCB.
(Must replace EEPROM)
REPLACE EEPROM.
(User must correct environ-
mental conditions)
Replace CU PCB.
(Must replace EEPROM)
Replace CU PCB.
(Must replace EEPROM)
Display
Service Call
001: Error
to
007: Error
Service Call
020: Error
or
024: Error
Service Call
025: Error
Service Call
030: Error
Service Call
031: Error
Service Call
032: Error
Service Call
036: Error
Service Call
037: Error
Service Call
040: Error
Service Call
041: Error
600
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
1200
-
-
-
-
-
-
-
-
-
-
Table 7-1-1 Operator Alarm (1/10)
Troubleshooting Guide Page 23
