
E N T 1 2 5 0
Model Name:
RJ–4100
E N T 1 2 5 0
Model Name:
RJ–4100
Command Errors
When Message is Displayed
1
2
3
4
5
• MH01 Error (Undefined Command)
A command that is not defined in any
command mode has been analysed
• MH02 Error (Parameter Error)
Wrong number of parameters follow-
ing the command
• MH03 Error (Numerical Error)
Wrong number of parameters follow-
ing the command
• MH04 Error (Undefined Character
Set)
A nonexistent character set is present
• MH07 Error (Buffer Overflow)
The polygon buffer or the download-
able character buffer has overflowed
1-1
• Are the command settings (except Mutoh driver) the same on both the printer and the host computer?
→
Three types of commands can be set on the printer.
The type should match the type of command sent from the host computer.
No.
Symptom
Sequence
Items to be Confirmed
When Message is Displayed
Command Errors
47
• Is the printer cable (including switches) connected securely?
→
Communication problems may occur if the cable is loose.
Check the cable connections and try sending data again.
• Are you using a standard IEEE 1284 cable?
→
Change to a standard IEEE 1284 cable.
❈
If the above procedures do not improve the symptoms, the main unit has probably developed a fault for
some reason.
Go to MAP1200
Command
: MH-GL, GL2
MH-GL
RTL-PASS
• Are the Centronics communication settings the same on both the printer and the host computer?
→
Two types of mode can be set on the printer.
The mode should match the communication settings on the host computer.
Centronics settings : Centronics
Bitronics
• Does the Centronics timing match that on the host computer?
→
Two types of mode can be set on the printer.
The mode should match the communication timing on the host computer.
Centronics timing
: A-B
B-A
1-2
1-3
1-4
1-5