Problems In Printing - Citizen CL-E700 series Technical Manual

4-2-3. Problems in Printing

Symptoms
No print
(Overheating
problems)
No print
Checks
1. Is the "SA Head" over heated?
(The LCD displays "Alarm Head Hot".)
2. Is the "SA PF Motor" over heated?
(The LCD displays "Error PFMotor
Hot".)
3. Is the "SA Ribbon Motor F" over
heated?
(The LCD displays "Error RBMotor
Hot".)
4. Is "Error System Fail" displayed on the
LCD?
1. Is the head block securely closed?
(The LCD displays "Error Head Open".)
2. Is the interface cable firmly connected
between the printer and the host?
3. Is the "SA Head Cable" firmly connected
between the "SA Head" and the "SA
Main PCB" (J2)?
4. Does the transparent/reflective sensor
detect presence of media?
5. Is +24V DC supplied to the "SA Main
PCB" (at pins 6 to 9 of J13)?
J2
J5
J13
9
1
Front
To Unit Power Supply
[Bottom right of the "SA Main PCB"]
6. "SA Head" is broken.
7. Failure in the head driver circuit.
8. Failure in the control circuit.
1. Wait until the "SA Head" gets cool.
Printing resumes automatically.
2. Wait until the "SA PF Motor" gets
cool.
Printing resumes automatically.
3. Wait until the "SA Ribbon Motor F"
gets cool.
Printing resumes automatically.
4. Turn OFF the power and then turn
it ON.
1. Close the head block correctly.
2. Connect it firmly.
3. Connect it firmly.
4. To check, see
Problems".
5. Replace the "Unit Power Supply".
6. Replace the "SA Head".
7. Replace the "SA Head".
8. Replace the "SA Main PCB".
4-7
Chapter 4 Troubleshooting
4-2. Troubleshooting
Remedies
"4-2-5 Sensor
CL-E700 series