4-2. Troubleshooting
CLP-621 & CLP-631 4-6
4-2-2. Media-feed Problems
Symptoms Checks Remedies
No media feed
1. Is the connector CN5 for PF motor
connected firmly?
2. Is the connector CN10 for Power
Supply Unit connected firmly?
3. Is +24V supplied to the test point T18?
4. Failure in the control circuit or in the
paper feed motor driver.
5. Does the PF motor work?
1. Re-connect it firmly.
2. Re-connect it firmly.
3. Replace the Power Supply Unit.
4. Replace the Main PCB Unit.
5. Replace the Motor SA.
Irregular media feed
pitch
1. Is the connector CN5 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. Re-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 Main PCB Unit.
Media jamming 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. Set media correctly.
2. Use media within manufacturer's
specifications.
3. Remove dust or foreign matter.
Voltage test points: Bottom right of the Main PCB Unit
Test point is a rectangle dipped pattern on the
component side of the Main PCB Unit.
T16 For +5V Control
T17 For +3.3V Logic
T18 For +24V Drive
T19 For +1.5V For CPU only
CN10
TP18
+24V
TP17
+3.3V
TP16
+5V
TP19
+1.5V
To Next Page
Loading...
Need help?
General
Weight and Dimensions
