Sharp MX-M264U Service Manual page 153

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