Ricoh Aficio MP171 User Manual

3. Preventive Maintenance
Preventive Maintenance Tables...................................................................................................................... 29
Image Quality Standards................................................................................................................................ 30
Paper Transfer Quality Standards.................................................................................................................. 31
4. Replacement and Adjustment
General Cautions.............................................................................................................................................33
Notes on the Main Power Switch...............................................................................................................33
Characteristics of the Push Switch (DC Switch).................................................................................33
Shutdown Method...............................................................................................................................34
Forced Shutdown................................................................................................................................ 34
Exterior Covers................................................................................................................................................. 35
Front Cover...................................................................................................................................................35
Left Cover......................................................................................................................................................37
Right Cover...................................................................................................................................................39
Rear Cover, Rear Lower Cover...................................................................................................................41
Upper Cover................................................................................................................................................ 43
Operation Panel...........................................................................................................................................45
LED Optics........................................................................................................................................................ 47
LED Unit........................................................................................................................................................ 47
How to Re-engage Disengaged Springs.......................................................................................... 51
PCDU.................................................................................................................................................................55
PCDU............................................................................................................................................................ 55
Toner Cartridge................................................................................................................................................ 56
Toner Cartridge............................................................................................................................................56
Image Transfer..................................................................................................................................................58
Image Transfer Roller...................................................................................................................................58
Drive Unit.......................................................................................................................................................... 59
Main Motor..................................................................................................................................................59
Toner Supply Clutch.................................................................................................................................... 59
Registration Clutch....................................................................................................................................... 60
Paper Feed Clutch........................................................................................................................................61
Drive Unit......................................................................................................................................................61
Gear Unit......................................................................................................................................................62
7

Ricoh Aficio MP171 Specifications

General

Resolution	600 x 600 dpi
Maximum Paper Size	A3
Paper Capacity	250 sheets
Max Paper Capacity	1, 350 sheets
Printing Technology	Laser
Power Source	220 - 240V, 50/60Hz
Copy Speed	17 ppm
Multiple Copy	Up to 99
Zoom Range	50% to 200%