Charging system and image forming system

A charging system comprising:

• a charging member that rotates while following a rotating image holding body and that charges the image holding body;
• a removing member that rotates while following the rotating charging member in a state of being arranged at a contact position in contact with the charging member and that removes an adhered deposit adhered to the charging member;
• a moving member that moves the removing member to a separation position separated from the charging member and the contact position;
• and
• at least one processor,
• wherein the processor is configured to:
• cause the removing member to remove the adhered deposit adhered to the charging member only for a removal time by controlling the moving member to move the removing member arranged at the separation position to the contact position at a time determined in advance, and
• cause the removing member to remove the adhered deposit adhered to the charging member only for the removal time by moving the removing member arranged at the separation position to the contact position after the number of cycles of the image holding body from previous removal of the adhered deposit has reached a number determined in advance.

A charging system comprising:

• a charging member that rotates while following a rotating image holding body and that charges the image holding body;
• a removing member that rotates while following the rotating charging member in a state of being arranged at a contact position in contact with the charging member and that removes an adhered deposit adhered to the charging member;
• a moving member that moves the removing member to a separation position separated from the charging member and the contact position;
• at least one processor;
• and
• a detection unit that detects an electrical resistance between the charging member and the image holding body,
• wherein the processor is configured to:
• cause the removing member to remove the adhered deposit adhered to the charging member only for a removal time by controlling the moving member to move the removing member arranged at the separation position to the contact position at a time determined in advance, and
• cause the removing member to remove the adhered deposit adhered to the charging member only for the removal time by moving the removing member arranged at the separation position to the contact position after the electrical resistance from previous removal of the adhered deposit has increased by an amount determined in advance.