SOP on Operation of Batch over printing Machine

SOP on Operation of Batch over printing Machine
1.0 Purpose: This document describes procedure for operation of Batch Overprinting Machine.
2.0 Scope: This SOP applies to operating staff.
3.0 Responsibility: Quality Control / Production Chemist to ensure that procedure is followed.
4.0 Materials and Equipment: 
 Stereos for overprinting.
 Cleaning solution ( Thinner) / Printing ink
 Batch over printing machine / Printed labels, cartons etc.
5.0   Procedure: 
5.01 Receive complete information in writing from production chemist about the product, batch details to be overprinted.
5.02 Collect the packing material to be overprinted from packing materials store.
5.03 Check the quantity and quality of issued packing material from store.
5.04 Set the machine with metallic stereos & frame.
5.05 Check and ensure cleanliness of batch overprinting machine and connect the power pin in the electrical socket.
5.06 Properly affix stereos in coding unit.
5.07 Apply ink on ink roller and allow it to spread all over the roller by running the machine. Run a few strokes on waste board / paper.
5.08 Adjust the packing material (i.e. label, carton) on machine and overprint first two units of packing material.
5.09 Get checked the first two labels / cartons by production chemist and quality control chemist for printing quality and overprinted matter. After approval and signature of both, production chemist and quality control chemist keep one specimen as a record in the job order file.
5.10 Do not disturb the stereo and continue the overprinting till the issued quantity is overprinted. If the overprinting continues for a long period (i.e. more than two hours), in between check the quality of overprinting at regular intervals.
5.11 After completion of the job remove all the overprinted packing material and hand over to production chemist or packing supervisor.
5.12 Clean the machine as per cleaning SOP 

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