Toshiba B-850 User Manual

EO1-33029 

2.9 Loading the Ribbon

2-13 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Raise the Top Cover and release and raise the Print Head Block as 

described in section 2.7.3, steps 

 and 

. 

  Hold the Ribbon Supply Roll in your left hand and the Ribbon Take 

up Roll in your right hand. 

  Install the Ribbon Supply Roll into the Print Head Block as shown in 

the figure below and described in the following paragraphs. 

 Step 

, engage the end of the Ribbon Supply Roll Core to the Ribbon 

Core Guide 

c 

and push to compress the Ribbon Spring. 

 Step 

, engage the opposite end of the Ribbon Supply Roll Core to the 

Green Ribbon Winding Core 

d

 releasing pressure to relax the 

Ribbon Spring. 

Rotate the Green Ribbon Winding Core to lock the Ribbon Supply 
Roll into position. 

e

 

 
 
 
 
 
 
 

 Repeat steps 

 through 

 with the Ribbon Take-up Roll, locking it in 

place also. 

  Take up any slack in the ribbon by rotating the Green Ribbon Winding 

Core on the Ribbon Take-up Roll in the direction of arrow 

c

. 

 Close the Print Head Block and lock it in place by pressing at 

locations 

d

 and 

e

 in the figure below. 

 

 

 

 

 

 

 

 

 

3

1

2

 

Ribbon Core Guide 

Green Ribbon Winding Core

 

Ribbon Spring 

Ribbon Supply Roll

Ribbon Take-up Roll

 

1

2

3

 

Green Ribbon 

Winding Core 

• 

The Print Head may 
become hot.  Do not 
touch the Print Head. 

• 

The Top Cover can be 
opened during the 
operation for control 
purposes only.  It 
should be closed during 
normal operation.  

• 

Risk of injuries.  Do not 
touch moving parts.  
Disconnect the mains 
before maintenance of 
ribbon and media.