Printing Test 1
Сonducting a Kiss-print Test
This is the simplest and fastest test that is an integral part of any of our printing press inspections.
We leave instructions on the test in case your printing press cylinders are damaged and then repaired. Thanks to it, you will be able to accept the work of the repair team.
The test is called kiss-print, because it allows to determine the presence of hidden defects on the surface of the printing and offset cylinders. A mandatory requirement is the availability of new offset blankets and underlay sheets.
The purpose is to check the condition of the surfaces of the plate, blanket and impression cylinders, the condition of the cylinder bearings and the compliance with the set pressure values of the lower printing pair (blanket - impression cylinders).
We leave instructions on the test in case your printing press cylinders are damaged and then repaired. Thanks to it, you will be able to accept the work of the repair team.
The test is called kiss-print, because it allows to determine the presence of hidden defects on the surface of the printing and offset cylinders. A mandatory requirement is the availability of new offset blankets and underlay sheets.
The purpose is to check the condition of the surfaces of the plate, blanket and impression cylinders, the condition of the cylinder bearings and the compliance with the set pressure values of the lower printing pair (blanket - impression cylinders).
Recommended Offset Blanket Tension
| Maximum format of the press, mm | Tension, Nm |
| B3 (350×500) | 30-35 |
| B2 (540×750) | 40-45 |
| B1 (720×1050) | 55-65 |
| A0 (1200×850) | 65-70 |
| B0 (1000×1600) | 65-70 |
Tension For Different Models
| Printing Press Manufacturer And Model | Total thickness = calibraied sheets + blanket, mm | Blanket Tension, Nm |
| MAN Roland 200/ 300/ 500 | 2,30 | 40-45 |
| MAN Roland 700 | 3,25 | 50-55 |
| MAN Roland 800/ 900 | 3,25 | 65-70 |
| Heidelberg SM102/ CD102 | 3,25 | 65 |
| Heidelberg XL105/ XL106 | 3,25 | 65 |
| Heidelberg SM72/ SM74/ SX74 | 3,25 | 40-45 |
| Heidelberg CD74/ XL75 | 3,25 | 40-45 |
| Heidelberg GTO46/ GTO52 | 3,25 | 30-35 |
| Heidelberg SM52/ SX52 | 3,25 | 30-35 |
| KBA Rapida 74 | 3,20 | 40-45 |
| KBA Rapida 105/ Rapida 106 | 3,20 | 60-65 |
Test duration: 1 hour
Amount of paper: 200-300 sheets of full format, 130-150 g/m2
Requirements: New blankets and underlay sheets installed.
Blanket tensioning is performed with a torque wrench (tightening torque depending on the press model).
Print cylinders must be thoroughly cleaned of dried ink and other contaminants.
Plates are arbitrary.
Traces of Accident
Invisible Defect on the Printing Cylinder
The cause of such an imprint may be an old, overpressed offset blanket. But sometimes these are traces of an accident caused by thick and hard sheets. To the eye, the surface of the cylinders will appear completely undamaged, but this is not the case.
Possible problems
Debris on the blanket
The sheet should be printed with minimum pressure. Sometimes you may get something like what is shown in the picture. These are not cylinder defects, but small pieces of ink, paper stuck to the surface. Fortunately, they cannot damage the cylinder surface as they are cushioned by the rubber.
It is necessary to wash-up the cylinders, clean the offset blanket and print the test again.
It is necessary to wash-up the cylinders, clean the offset blanket and print the test again.
Printing Test 1
Kiss-Print Test
The purpose is to check the condition of the surfaces of the plate, blanket and impression cylinders, the condition of the cylinder bearings and the compliance with the set pressure values of the lower printing pair (blanket - impression cylinders).
Printing Test 2
Karo Print Test
The task of the test is to determine the condition of the sheet transfer system as a whole and between individual units. With the help of decoding of this test the general condition of the sheet transfer system at all - grippers, perfecting device.
Printing Test 3
Calibration Print Job
The task is to produce a colour image with various printing process control elements. This test alone does not give a complete picture of the condition of the press, because parameters are mostly related to the technology and the consumables used.
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The condition of a used printing machine is always the result of the previous owner's attitude towards it.
Minimise your risks and book our inspection before you pay.
Minimise your risks and book our inspection before you pay.
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Where to find us?
Poland
Al. Armii Ludowej 6, Warsaw
+48 222 304 015
+48 510 082 230
United Kingdom
1 Canada square, London E14 9XQ
+44 745 814 9221
The condition of a used printing machine is always the result of the previous owner's attitude towards it.
Minimise your risks and book our inspection before you pay.
Minimise your risks and book our inspection before you pay.
Where to find us?
Poland
Al. Armii Ludowej 6, Warsaw
+48 222 304 015
+48 510 082 230
United Kingdom
1 Canada square, London E14 9XQ
+44 745 814 9221
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