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MX-M264U TROUBLESHOOTING 7 – 2
E. Breakdown sequence
(1) Error code and operatable mode
Trouble content
Judg-
ment
block
Trouble
code
(26cpm/
31cpm/
35cpm)
machine)
Operatable mode
Copy scan
(including
interrup-
tion)
Scan
(Push)
Scan
(Pull)
Scan-
To
HDD
List
FAX
Send
FAX
FAST
Notifi-
cation
to host
FAX board trouble
• FAX board
breakdown
MFP
F6 (00, 01,
04, 21, 30,
97, 98)
–
–
–
HDD trouble
• SD card
breakdown
E7 (07)
✕
✕
✕
✕
✕
✕
✕
✕
✕
• HDD breakdown
E7 (03)
✕
✕
✕
✕
✕
✕
✕
✕
✕
• HDD-ASIC
breakdown
E7 (04)
✕
✕
✕
✕
✕
✕
✕
✕
✕
Scanner
communication
trouble
• SCU
communication
error
A0 (02)
E7 (80)
✕
✕
✕
✕
✕
Engine
communication
trouble
• PCU
communication
error
A0 (01)
E7 (90)
✕
✕
✕
✕
✕
✕
✕
✕
Option
communication
trouble
• ACU
communication
error
A0 (04)
✕
✕
✕
✕
✕
✕
✕
✕
Backup battery
voltage fall trouble
• Backup battery
voltage fall
U1 (01)
✕
✕
✕
✕
✕
✕
✕
✕
Operation disable
trouble 1
• Controller fan
motor trouble
L4 (30)
✕
✕
✕
✕
✕
✕
✕
✕
✕
Operation disable
trouble 2
• External serial I/F
communication
error (RIC)
U7 (50, 51)
✕
✕
✕
✕
✕
✕
✕
✕
• Memory error
(included not
installed the
expansion RAM)
U2 (00, 05,
10, 11, 24,
40, 41, 42)
✕
✕
✕
✕
✕
✕
✕
✕
15
• Connection trouble
(Model data
discrepancy)
(MFPC detection)
A0 (10, 11,
15, 20)
E7 (60, 61,
65)
✕
✕
✕
✕
✕
✕
✕
✕
✕
• Serial number data
error
U2 (30)
✕
✕
✕
✕
✕
✕
✕
✕
✕
• HDD registration
data check sum
error
U2 (50)
✕
✕
✕
✕
✕
✕
✕
✕
Operation disable
trouble 3
• Memory check
error when booting
E7 (96)
✕
✕
✕
✕
✕
✕
✕
✕
• Image memory
trouble, decode
error
E7 (01, 49,
91, 92, 93,
94)
✕
✕
✕
✕
✕
✕
✕
✕
Operation disable
trouble 4
• Personal counter
connection trouble
PC (00)
✕
✕
✕
✕
✕
✕
✕
✕
Power controller
trouble
• Power controller
error
L8 (20)
✕
✕
✕
✕
✕
✕
✕
✕
Special function
trouble
• Watermark data
error
U2 (60)
P1 (00, 01,
02)
Laser trouble
• LSU breakdown
PCU
E7 (20, 21,
28)
L6 (10)
✕
✕
✕
✕
✕
✕
*10
✕
✕
Engine trouble 1
• Connection trouble
(Model data
discrepancy) (PCU
detection)
A0 (21)
E7 (50, 55)
F1 (50, 95)
✕
✕
✕
✕
✕
✕
✕
✕
✕