MAXIMAILER & MAXIMAILER PLUS ISSUE 6 PCBs
Contents
1. modified unit can be identified by its issue status shown on a yellow label on the end face of the PSU on the drive side of the machine The issue is the number following the after the part number Modified issues ate shown below Insert Head PSU 184 167 3 3 Plate Folder PSU 184 169 4 Feeder Folder PSU 184 168 4 Cardfolder PSU 184 180 3 To carry out the modification cut the green wire to the 10 way connector from the PSU as shown below Cut the wire as close the connector as possible and loop it back into the sleeve of the cable to insulate it Attach a cable tie round the top of the sleeve to secure the looped wire No other modification is necessary Cut green wire close LAA nann to connector Note Effective from the date of this bulletin while issue 6 of the Insert Head and 3 Plate Folder PCBs are being supplied now the issue 6 Feeder PCB is not yet released Issue 1420 103 1 Fes 2005 Page 1 of 12. P F E INTERNATIONAL TO ALL UK ENGINEERS AND OVERSEAS AGENTS TECHNICAL BULLETIN NO 1420 103 Please ensure this Technical Bulletin is read by all technical staff involved in the maintenance and repair of P F E machines This bulletin must be read by all P F E engineers involved in the maintenance and service of Maximailer amp Maximailer Plus and must be attached to all copies of the Maximailer Service Manual MAXIMAILER amp MAXIMAILER PLUS ISSUE 6 PCBs The control PCBs for Insert Head 3 Plate Folder and Feeder on the Maximailer have recently changed and the issue level for all three has been unified at issue 6 The change to the PCB includes protection against accidental connection of a 24v input to a 5v connector eg a solenoid input into a sensor connector on the PCB Should this now happen the PSU will switch off internally to prevent damage to the PCB requiring the Maximailer to be powered up again The PSU has also been modified to add a capacitor which prevents spurious voltage spikes in the current flow switching off the PSU unnecessarily However if an issue 6 PCB is fitted to a machine in field with the unmodified power supply rapid opening and closing of a cover could result in the PSU switching off apparently without cause To prevent this happening the PSU can easily be converted to ignore the protection circuitry on the PCB restoring this part of the PCB to pre issue 6 status If in doubt about a PSU in field a
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