8.4 TONER DENSITY ADJUSTMENT
When:
The customer wants to change the overall image
density of the copies.
Purpose:
To change the toner concentration inside the
development unit.
How to Adjust:
SP33
How it works:
Changes the ID pattern bias voltage and either
raises/lowers the toner supply threshold.
8.5 FIXED TONER SUPPLY MODE SELECTION
When:
A problem with the ID sensing system cannot be
corrected during a service call. (Detect supply
mode does not function.)
Purpose:
To switch the toner supply system from Detect
mode to Fixed mode.
How to Adjust:
SP30
How it works:
Turns on the toner supply clutch every copy cycle
by selecting "1" in SP30.
8.6 TONER SUPPLY RATIO SELECTION
When:
The factory setting for the toner supply amount is
not appropriate for the type of original in use.
Purpose:
To adjust the toner supply amount.
Adjustment
Standard:
Detect Mode
: 15% (Factory Setting)
Fixed Mode
: 7% (Factory Setting)
How to Adjust:
Detect Mode
: SP31
Fixed Mode
: SP32
How it works:
Changes the interval that the toner supply clutch
is on.
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A151/A152
Summary of Contents for A151
Page 1: ...SERVICE MANUAL PN RCFM3213 A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 2: ...SERVICE MANUAL A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 3: ...A151 A152 A202 A203 FIELD SERVICE MANUAL PN RCFM3213 ...
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Page 27: ...OVERALL MACHINE INFORMATION ...
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Page 43: ...INSTALLATION ...
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Page 55: ...SERVICE TABLES ...
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Page 251: ...DOCUMENT FEEDER A296 ...
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Page 372: ...Tech Service Bulletin No 3013 3213 008 Page 2 of 3 Continued ...
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