6 Chapter 1 Troubleshooting
Troubleshooting
• Check Printhead Path.
Printhead Maintenance Cartridge Path
Open the right door of the printer and check for any visible obstacles restricting the movement of the
Service Station. Manually move the Service Station, checking for smooth and free movement.
Paper Path
To resolve paper path problems, do the following:
1. Open the Window and check for any visible obstacles restricting the movement of the Drive Roller.
Make sure that the mylar is not damaged. If there is a wrinkled mass of media inside the paper
path, lift the Pinch wheels (using the Media Load Handles) and clear the obstruction.
2. If this shutdown happens at the end of a Roll of Media, it could be because the media is stuck firmly
to the Roll. Lift the Pinch wheels (using the Media Load Handles) and pull the media clear.
3. Replace media spindle if broken.
4. Replace the Media-Axis Motor
⇒ See page 349.
Printhead path
When a shutdown occurs in the Printhead path, you will get the message “Switch Power Off / Check
Printhead Path (*). The (*) will be a number, which will give an indication on where the failure occurred:
PWM shutdown
To resolve a PWM shutdown, do the following:
1. Clean Slider Rods and Apply Oil along the complete axis of the Slider Rods. After applying the Oil,
perform the Scan-Axis Test
⇒ See page 97 and check that the values are within the given limits.
2. Clean the Encoder Strip ⇒ See page 454.
3. Replace the Scan-Axis Motor
⇒ See page 346.
Velocity shutdown
To resolve a velocity shutdown, do the following:
1. Open the Window and check for any visible obstacles restricting the movement of the Carriage
Assembly. Try and move the Carriage Assembly manually, checking for smooth and free movement.
2. Check that the Encoder Strip is clean. If necessary, clean Encoder Strip using a damp cloth.
Energy shutdown
To resolve an energy shutdown, do the following:
1. Clean Slider Rods and Apply Oil along the complete axis of the Slide Rods. After applying the Oil,
perform the Scan-Axis Test
⇒ See page 97 and check that the values are within the given limits.
2. Clean the Encoder Strip ⇒ See page 454.
NOTE: A shutdown in each path will require different steps to resolve the problem as
explained below. In each case, make sure that you power OFF the printer before attempting
any procedures to resolve the problem.
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