MBM Corporation 307A (PERF & SCORING UNIT) - Manual (Page 19)

18
7. Troubleshooting
8. Specifications
Symptom Remedy
- Replace Paper Separator.
- Replace Paper Feed Roller.
- Remove jammed paper by removing Perforation/Scoring Unit from
Folding Machine.
- Remove jammed paper. Then adjust mounting location of
Roller. Make the Transport Rollers grip perforating/scoring paper
at the both sides.
- Slow down running speed.
- Make no play to the paper placed between the Paper Guides in the Paper
Feed Tray of the Folding Machine.
- Adjust by Slant Adjustment Dial.
- Adjust mounting location of Transport Roller.
Make the Transport Rollers grip perforating/scoring paper at the both
sides.
- Re-mount Perforating/Scoring Unit firmly to Block Mounting Arm.
- Make sure to ride Perforating Blade on Blade Receipt Roller.
- Replace used/old Framed Perforating Blade to new one.
- Upper Scoring Roller is too deep. Lift the Scoring Roller by
Shallower/Deeper Adjustment Screw.
- Upper Scoring Roller is not matching with V-Grooved Lower Scoring
Roller. Match the Upper Scoring Roller to V-Groove by Fine Adjustment
Dial.
Not sufficient
scoring
- Upper Scoring Roller is too shallow against V-Grooved Lower Scoring
Roller. Lower the Scoring Roller by Height Adjustment Screw.
Torn scoring
Paper Slippage
Paper Jam
Slanting
Not sufficient
perforation
Perforation ： 64～127.9 g/㎡ lbs (Bond)
Paper Weight
Scoring ： 64～157 g/㎡ lbs (Bond)
Paper Quality Offset paper / Coated paper Offset paper / Coated paper
Running speed
60 to 85 sheets/minute
(3600 to 5100 sheets/hour)
A4 landscape
Location of perforation
and scoring line
Centering
In case A4 paper, landscape,
+ or - 50mm (1.96")
when transportation rollers
are
placed at paper sides
Perforating pitch
0.35mm(perforation),
0.20mm(non-perforation),
continuous
0.014"(perforation),
0.008"(non-perforation),
continuous
Machine Dimensions
(Both Perforation and
Scoring Units)
W480 x D380 x H200 mm (In
Use)
W380 x D380 x H200 mm (Not in
Use)
W18.9 x D15.0 x H7.9" (In Use)
W15.0 x D15.0 x H7.9" (Not in
Use)
Unit Weight
(Both Perforation and
Scoring Units)
Approx. 4.8 kg Approx. 10.6 lbs