Prepare the cleaning tool [A] (D0749547: DG CLEANER 5PCS/SET) in advance. This is a service part, and is not supplied with the machine with the accessories.
- Remove the development unit. (Development Unit)
- Remove the bracket [A] from the development unit.
Tilt the development unit 90 degrees so that the left side (viewed from the front) faces the bottom. Then rotate the development roller in the direction indicated with the arrow (counterclockwise viewed from rear) until the loose developer on the roller surface is removed.
Do not rotate the development roller in the opposite direction because this will cause the Mylar to get sucked into the roller.
- Insert the corner of the cleaning tool [A] without the folded tab into the doctor gap. The tab scrapes off the toner/dust adhered to the doctor blade as you slide the cleaning tool across the doctor gap.
Slide the cleaning tool [A] from right to left. Keep it level as you slide it, to prevent scratches on the development roller.
Both ends of the cleaning tool can be used. Locate the hole [A] on the cleaning tool. Slide the cleaning tool from right to left when inserting the end that has the hole. Slide the cleaning tool from left to right when using the other end.
- [B]: Use this end to slide the cleaning tool from left to right.
- [C]: Use this end to slide the cleaning tool from right to left.
Make sure to note the following points to prevent scratches on the surface of the development roller.
- Do not push or pull the cleaning tool.
- Do not press the cleaning tool against the development roller with your thumb.
- Do not touch the development roller with your fingers.
After sliding the cleaning tool [A] across the doctor gap, remove it by taking out the corner without the tab first.
- For a thorough cleaning of the doctor gap, it is recommended to repeat the cleaning procedure 2 to 3 times.
- The cleaning tool can be used many times. Use the other end of the cleaning tool or use a new one when the tab becomes worn and jagged.