Sharp MX-M264N - Page 153

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
Print
List
print
FAX
Send
FAX
print
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)
✕✕✕✕✕✕✕✕✕