Media-Feed Problems - Tally Dascom 7010 Series Maintenance Manual

4-2. Troubleshooting

4-2-2. Media-feed Problems

Symptoms
No media feed
Irregular media feed
pitch
Media jamming
Checks
1. Is the connector of the SA, PF MTR
Cable firmly connected to the Unit,
Motor?
2. Is the connector J4 for the Unit, Motor
connected firmly?
3. Is the connector J11 for Unit, Power
Supply connected firmly?
4. Is +24V supplied to pins 7, 8, 9 and 10
of J11?
5. Failure in the control circuit or in the
paper feed motor driver.
6. Does the Unit, Motor work?
1. Is the connector J4 for PF motor
connected firmly?
2. Is dust or other foreign matter on the
platen?
3. Does the media feed mechanism work
smoothly?
4. Failure in the control circuit or in the
paper feed motor driver.
1. Is media set correctly?
2. Is the media being used within
manufacturer's specifications?
3. Check the media feed mechanism and
media path for dust or other foreign
matter.
1. Connect it firmly.
2. Connect it firmly.
3. Connect it firmly.
4. Replace the Unit, Power Supply.
5. Replace the SA, Main PCB.
6. Replace the Unit, Motor.
1. Connect it firmly.
2. Remove dust or foreign matter.
3. Check, clean and lubricate
mechanical parts.
Note: Refer to Chap. 3
"Disassembly and Maintenance".
4. Replace the SA, Main PCB.
1. Set media correctly.
2. Use media within manufacturer's
specifications.
3. Remove dust or foreign matter.
4-6
Remedies