Rom Checksum Error (Font); Rom Checksum Error (Program) - Epson EPL-6200 Service Manual

EPSON EPL-6200/EPL-6200L

3.2.12 ROM Checksum Error (Font)

This error is a standard font ROM fault.
Table 3-15. Troubleshooting for "ROM Checksum Error (Font)"
Step Action and Question
Parts below can be the source of this error
• Main Board Assy (C533/C534 Main) (p.146)
• Standard ROM-DIMM
Checking the Standard ROM-DIMM (EPL-6200
only)
Check to see if the mounted ROM-DIMM is exactly
1
as specified and connected properly. (Remove once
and then install again)
♦ Does the error still occur?
Replacing the Standard ROM-DIMM (EPL-6200
only)
2
Replace the Standard ROM-DIMM.
♦
Does the error still occur?
Main Board Assy.
3 1. Replace the Main Board Assy.
♦ Does the error still occur?
Note : The Main Board Assy and Memory Board Assy used with EPL-6200 and EPL-6200L
are as listed below.
The font ROM is mounted on the Memory Board Assy (EPL-6200). For details, refer to
"2.3.1 Operation Overview of the Main Control Circuit Board"
Troubleshooting
Yes No
(Chapter 4 Disassembly and Assembly)
Problem
Go to Step 2
solved
Replace the
Go to Step 3 faulty
ROMDIMM
Go to "3.4.2
Replace the
Electrical
Main Board
Noise"
Assy.
(p.120)
(p.94).
Troubleshooting When There is Error Display

3.2.13 ROM Checksum Error (Program)

This error is a built-in program ROM fault.
Table 3-16. Troubleshooting for "ROM Checksum Error (Program)"
Step Action and Question
Parts below can be the source of this error
• Main Board Assy (C533/C534 Main) (p.146)
• Standard ROM-DIMM
Checking the Standard ROM-DIMM (EPL-6200
only)
Check to see if the mounted ROM-DIMM is exactly
1
as specified and connected properly. (Remove once
and then install again)
♦ Does the error still occur?
Replacing the Standard ROM-DIMM (EPL-6200
only)
2
Replace the Standard ROM-DIMM.
♦
Does the error still occur?
Main Board Assy.
3 1. Replace the Main Board Assy.
♦ Does the error still occur?
Note : The Main Board Assy and Memory Board Assy used with EPL-6200 and EPL-6200L
are as listed below.
The Standard RAM is mounted on the Memory Board Assy (EPL-6200) or on the Main
Board Assy (EPL-6200L).
For details, refer to "2.3.1 Operation Overview of the Main Control Circuit Board"
(p.94).
Parts Name
Main Board Assy
Memory Board Assy
(Steady production)
Revision A
Yes
(Chapter 4 Disassembly and Assembly)
Problem
Go to Step 2
solved
Replace the
Go to Step 3 faulty
ROMDIMM
Go to "3.4.2
Replace the
Electrical
Main Board
Noise"
Assy.
(p.120)
EPL-6200 EPL-6200L
C533MAIN
C534MAIN
C533PROG
(C533PROG-C)
No
113