MINOLTA DI750
Manual de Servicio

CLEANING/TONER RECYCLE UNIT

CLEANING/TONER RECYCLE UNIT
[1] Removing and Reinstalling the Cleaning/Toner Recycle Unit
Caution: Be sure the power cord has been unplugged from the wall outlet. Caution 1: Caution 2: Do not touch the edges of the cleaning blade with bare hands. Before reinstalling the cleaning unit, clean the cleaning/toner recycle unit with a blower brush and cleaning pad. Caution 3: When reinstalling the cleaning unit, apply setting powder to the entire surface of the drum and cleaning blade regardless of whether the drum and cleaning blade are new or old. Caution 4: When you have applied setting powder to the drum, carry out the following work before installing the drum unit on the main body: 1) To ensure accurate toner concentration, wipe scattered setting powder off the γ and Dmax sensors on the toner control sensor board with a rag moistened with alcohol. 2) With the charging corona unit and developing unit removed, turn the drum once (to prevent setting powder from scattering onto the charging corona unit, and to prevent image defects). a. Procedure (1) Manually turn the drum once. Caution: Must turn the drum once to prevent toner on the brush falling. (2) Draw out the drum unit from the main body. (See "DRUM UNIT.") (3) Release cleaning unit release levers (on both sides). (4) Disconnect one connector (CN355) and remove the cleaning unit. Caution 1: Remove the cleaning unit with its rear surface alingned with the ribs of the drum car tridge. (Tilt the cleaning unit approximately 15 degree.) Caution 2: Remove the cleaning unit with drum cartridge reference pin in line with the notch of the cleaning unit.

Notch

Reference pin

Connector (CN355)

Cleaning unit

Cleaning unit mounting levers

(5) Reinstall the above parts following the removal steps in reverse.

3-I-1

3 DIS./ASSEMBLY