
14
C O N 4 0 5 0
Model Name:
RJ–4100
C O N 4 0 5 0
Model Name:
RJ–4100
How to use the Fault-Tracing Procedure (EXA)
How to use the Fault-Tracing Procedure (EXA)
■
Gather the parts specified by the matrix map (MAP), visit the user and carry out the task of recovery in accordance with the fault-tracing procedure (EXA) shown below.
• First, check again on-site that there was no mistake about the primary consultation. (EXA and ENT page numbers are the same)
• Carry out the checking tasks in order, beginning with 1-1, and move to the next task if there is nothing abnormal. If an abnormality is revealed, carry out the task indi-
cated by the arrow [
→
].
E X A 2 0 0 0
Model Name:
RJ–4100
E X A 2 0 0 0
Model Name:
RJ–4100
Trouble with Initialization
When No Error is Displayed on the Printer's Liquid Crystal Display
1
2
• No power
• Faulty liquid crystal display (no dis-
play/unstable display)
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
• Is there a broken or shorted lead in the switch cable assembly (between the switch and
power supply board)?
Use a tester to check for broken or shorted leads.
→
Replace the switch cable assembly.
• Do the "Power supply voltage check 100 V AC"
• Do the "Power supply voltage check 5 V DC"
• Do the "Power supply voltage check 24, 42 V DC"
• Check the panel cable connectors on the panel board and main board.
Are they inserted obliquely? Are they securely locked?
Check Main board J113 (PANEL), panel board J301 (MAIN)
→
Reconnect the connectors.
• The panel cable may be faulty.
→
Replace it.
• Is there a fault in the panel board assembly liquid crystal display?
→
Replace the panel board assembly.
• The main board assembly may be damaged.
→
Replace it.
No.
Symptom
Sequence
Items to be Confirmed
When No Error is Displayed on the Printer's Liquid Crystal Display
Trouble with Initialization
1130
1630
1640
1650
1170
1160
1140
R E P
B A C
G O T O R e f . P a g e s
Whether an error message is displayed
Fault details
Fault-tracing
sequence
Major classification of fault details
Page specified by
matrix map (MAP)
Page specified by
matrix map (MAP)
Replacement and
adjustment procedure
(REP) page reference
Hidden diagnostic
procedure page
reference