Toner Near End/End Detection And Recovery; Toner Near End Detection; Toner Near End Recovery; Toner End Detection - Ricoh D010 Service Manual

Hide thumbs Also See for D010:

Table of Contents

6.9.9 TONER NEAR END/END DETECTION AND RECOVERY

The toner near end and end conditions are detected using the Vt and Vref values, in a

similar way to toner density control.

This is done in all toner supply modes except for fixed mode 2, when toner end is not

If Vt is at level 6 (see the table on the previous page) five times consecutively, the machine

enters the toner near end condition and the toner end indicator starts blinking. Then the

machine supplies toner for a certain time, which depends on the setting of SP 3103 (see

the previous page).

If the machine detects "Vt < (Vref or Vts) + 4S/5" twice consecutively in any of the following

situations, the machine clears the toner near end condition.

While in the toner recovery cycle (supplying toner on and off for 30 seconds) after the

machine has detected a toner near end condition.

During copying in the toner near end condition.

If the front cover is opened and closed for more than 10 seconds while a toner near

end condition exists.

There are two situations for entering the toner end condition.

When Vt is level 7 three times consecutively, the machine enters the toner end

When 50 copies have been made since entering the toner near end condition. The

number of copies between toner near-end and toner end can be changed using SP

While turning on the main switch, if the front cover is opened for 10 seconds or more and

then closed while a Toner End condition exists (following toner bottle replacement), the

machine clears the Toner End condition. The recovery procedure is the same as for toner

near end. It takes about two minutes.

Table of Contents