Hitachi ST-350 Service Manual page 133

Regular Maintenance
We recommend that you clean inside of the machine regularly.
1. UPPER BASE PLATE ASSEMBLY
When remove Bite Main Frame Assembly, MD Module Assembly and Guide Body Assembly,
dust is stacked on Upper Base Plate Assembly.
1) Remove Bite Main Frame Assembly.
2) Remove MD Module Assembly.
Hitachi Terminal Solutions Korea Co., Ltd.
ST-350 Service Manual
133