Home | Contact Us | Submit Troubleshooting Info | Search | Help


    Output | Software Solutions | Proofing | Color, Screening and Calibration | Scanning | Digital Photography | Consumables | POS


Drum runaway solution for Lotem 800 (Fiber Head)


Product

 

Lotem™ 800 FH, version 3.61.02 and higher

 


Background

 

Intermittent drum runaway during machine start up or loading sequence severely damages the machine.

Replace the outdated MCF board with a new MCF 2 board, and upgrade Lotem 800 PC software to version 3.61.02.


Requirements

 
Part name Qty P/N
Inhibit Adapter Cables Kit 1 220-00072a
MCF 2 Board 1 503-00026Q
Inhibit Adapter Brd Assy 1 503A1C155K

Procedure

 

This procedure includes the following sections:

Preparation

  1. From the application, open both the front and right doors.
  2. Load Lotem 800 PC software version 3.61.02, according to the Release Notes.
  3. Close the application; then perform a complete machine shutdown.
  4. Open the E-box and locate the MCF board (upper board).
  5. Disconnect both the Drum Encoder and Edge Detection connectors, as shown in Figure 1.

Figure 1

  1. Remove the existing MCF board and insert the new MCF 2 board, as shown in Figure 2.
    Note: If the new board is in a different revision level (A or C), replace the MCF Xilinx files according to the MCF Board Replacement procedure.

Figure 2

  1. Reconnect the Drum Encoder and Edge Detection connectors that you removed in step 5. Make sure to tighten the screws of both connectors.
  2. Close the E-box.

Side panel Distribution box connections

  1. Remove the lower back panel of the Lotem by releasing the four screws.
  2. Disconnect the Interlock Molex connector on the side panel of the Distribution box, as shown in Figure 3.

 

Figure 3

  1. Disconnect Molex connectors J1 (Drum Motor Command) and J2 (Hall Effect) from the side panel of the Distribution box, as shown in Figure 4.

Figure 4

  1. Insert the orange wire from Cable No. 3 into slot 6 of the Interlock connector that you disconnected in step 2, as shown in Figure 5.

Figure 5

  1. Reconnect the remaining two cables to the Inhibit Adaptor Board Assembly, as shown in Figure 6.
    Note: Each connector/connection is custom-fitted.

Figure 6

  1. Connect one side of Hall Effect Cable No. 2 to the original Hall Effect J2 connector (that you disconnected in step 3), as shown in Figure 7, and the other side of Hall Effect Cable No. 2 to the Hall Effect Molex J2 connector in the Distribution box, as shown in Figure 8.

Figure 7

Figure 8

  1. Reconnect one side of Cable No. 3 to Connector J1 (Drum Motor Command) that you disconnected in step 3, as shown in Figure 9, and the other side of Cable No. 3 to Connector J1 (Drum Motor Command) on the side panel of the Distribution box.

Figure 9

  1. Using a flat screwdriver, push the Interlock Molex (female) connector into the Distribution box, as shown in Figure 10.

Figure 10

Internal Distribution box connections

  1. Open the Distribution box.
  2. Disconnect the Interlock Molex (male) connector from the Laser Interlock board, as shown in Figure 11.

Figure 11

  1. Insert the orange wire pin of Cable No. 1 (shown in Figure 12) into slot No. 6 of the Interlock Molex (female) connector that was previously connected to the side panel of the Distribution box, as shown in Figure 13.

Figure 12

Figure 13

  1. Disconnect Connector J3 from the Distribution board, as shown in Figure 14.

Figure 14

  1. Reconnect the Interlock Molex connector to the Interlock board, as shown in Figure 15.

Figure 15

  1. Return the Interlock Molex (female) connector back to its place in the side panel of the Distribution box.
    Note: This connector was removed together with its male counterpart, as shown in Figure 11.
  2. Reconnect Connector J3 (that you disconnected from the Distribution board in step 4) to Cable No. 1, as shown in Figure 16.

Figure 16

  1. Insert the remaining Molex connector (Cable No. 1) into Connector J3 on the Distribution board, as shown in Figure 17.

Figure 17

  1. Reconnect the Interlock connector on the side panel of the Distribution box, as shown in Figure 18.

Figure 18

  1. Close the Distribution box.
  2. Replace the rear back panel.
  3. Close the right door.
  4. Close the front door.
  5. Power on the Lotem.
  6. Run the application.
  7. Ensure that the Lotem is in Ready mode.

 


Technical contact(s)
 

Itai Peperovich
See the Escalation page for escalation contacts.

Date submitted
 

03 Apr 2003


    Copyright © 2005 Creo Inc. All rights reserved. Confidential. Back to top.