MX-5500N, MX-6200N, MX-7000N (serv.man47). Self diagnostics Trouble Codes - Sharp Copying Equipment Service Manual (repair manual). Page 33

Read Sharp MX-5500N / MX-6200N / MX-7000N (serv.man47) Service Manual online

MX-7000N  SELF DIAG AND TROUBLE CODE  8 – 33
 
UC-20
Document control module trouble
 
UC-21
DOCC (Document Control) PWB 
not-detected (DSK model only)
Trouble content
Communication error between SCU and DOCC
Communication line test error when turning on the 
power or after canceling an exclusion simulation.
Section
SCU
Case 1
Cause
Connector or harness connection error or 
disconnection
Check and 
remedy
Check the connector and harness in the 
communication line.
Case 2
Cause
Control (SCU) PWB trouble. DOCC PWB trouble.
Check and 
remedy
Replace the SCU PWB or the DOCC PWB.
Case 3
Cause
Malfunction due to electrical noises.
Check and 
remedy
Turn OFF/ON the power to electrical cancel the 
trouble.
Trouble content
When the data security kit ROM (BOOT, PROG1, 
2) is installed, the DOCC PWB is not detected.
Section
SCU
Case 1
Cause
Connector or harness connection error or 
disconnection
Check and 
remedy
Check the connector and harness in the 
communication line.
Case 2
Cause
Control (SCU) PWB trouble. DOCC PWB trouble.
Check and 
remedy
Replace the SCU PWB or the DOCC PWB.
Case 3
Cause
DOCC PWB not-installed
Check and 
remedy
Install the DOCC PWB.
Page of 33
Display

Download Sharp MX-5500N / MX-6200N / MX-7000N (serv.man47) Service Manual (Repair Manual)