Technical Bulletin  PAGE: 1/5 
Model: Taurus-C1a/C1b Date: 27-Feb-12 No.: RD074046 
 
 
Subject: Procedure for Installing the Optional Key Card 
Interface Kit. 
 
Prepared by: S. Sasaki 
From: 1st PP Tech Service Sec., PP Tech Service Dept., 
Classification: 
 Troubleshooting 
 Mechanical 
 Paper path 
 Part information 
 Electrical 
 Transmit/receive 
 Action required 
 Service manual revision 
 Retrofit information 
 
 Product Safety    Other ( )   Tier2 
 
This RTB has been issued to announce the procedure for attaching the external key card. 
 
Note 
Taurus supports the external key card but not the external key counter. 
 
Procedure 
1.  Procure a Ricoh manufactured relay board. 
"B87011(EDP 413012):OPTIONAL COUNTER I/F TYPE A"  
2.  Turn the main switch off. 
3.  Remove the controller box cover by following the procedure in your Taurus service 
manual in the section: 
4. Replacement and Adjustments > Common Procedures > Removing Doors, Covers > 
Controller Box Covers 
 
 
 
4.  Install the board on the controller box (screws x4) 
[A]