Canon ImageRunner iR8500 Series, Service Manual, Page: 86 / 1122

Chapter 1
1-50
Exposure method Twin laser unit
Copy density adjustment
function Auto, or manual (9 settings)
Development method Dry, 1-component toner projection
Pickup method - Paper deck (2 cassettes; right deck, left deck) - Cassette (2
cassettes; cassette 3, caste 4) - Manual feed tray (5.5 mm deep,
approx.; about 50 sheets of 80 g/m2 paper)
Transfer method Corona
Separation method Electrostatic
Drum cleaning method Blade
Fixing method Heat roller 200 V: 1150 W (main) + 565 W (sub) 208 V: 1220
W (main) + 600 W (sub) 230 V: 1185 W (main) + 645 W (sub)
Counter Soft counter
Toner type Magnetic, positive toner (toner cartridge)
Original type Sheet, book, 3-D object (2 kg max.)
Maximum original size A3/279.4 x 431.8 mm (11 x 17)
Reproduction ratio Direct 1:1 Reduce I 1:0.250 Reduce II 1:0.500 Reduce III
1:0.611 Reduce IV 1:0.707 Reduce V 1:0.816 Reduce VI
1:0.865 Enlarge I 1:1.154 Enlarge II 1:1.224 Enlarge III 1:1.414
Enlarge IV 1:2.000 Enlarge V 1:4.000 Zoom: 1:0.250 to 4.000
(25 % to 400 % in 1 % increments)
Fine adjustment of
reproduction ratio Set ratio in user mode when setting 100 %
Warm-up time 6 min or less (at 20 deg C room temperature, rated input)
First print time 4.1 sec : (stream reading, right deck pick up selected manually,
Direct, A4/LTR, non-AE, straight delivery, fluorescent lamp
pre-activation ON) 2.8 sec : (book mode, right deck pickup
selected manually, 1 original, Direct, A4/LTR, non-AE,
straight delivery, fluorescent lamp pre-activation ON)
Continuous reproduction 1 to 9999 pages
Print area Single-sided AB: A3 max., postcard (vertical feed) min. Inch:
279.4 x 431.8 mm (11 x 17) max., STMT (vertical feed) min.
Double-sided AB: A3 max., A5 (vertical feed) min. Inch:
279.4 x 431.8 mm (11 x 17) max., STMT (vertical feed) min.
Reading speed 450 mm/s
Printing speed 500 mm/s
Reading resolution 600 x 600 dpi
Copying resolution 1200 (equivalent) x 600 dpi
Printing resolution 2400 (equivalent) x 600 dpi
Gradation TBIC method, binary
Paper deck capacity 162 mm deep approx. (about 1500 sheets of 80 g/m2 paper)
Cassette capacity 55 mm deep approx. (about 550 sheets of 80 g/m2 paper)
Hard disk 20 GB
Non-image width (leading
edge) Direct/R-E: 4.0 + 1.5/-1.0 mm (when an ADF is used: 4.0 -/+1.8
mm/-1.4 mm)
Non-image width (trailing
edge) Direct/R-E: 2.5 -/+1.5 mm (when an ADF is used: 2.5 -/+1.8
mm)
Non-image width (left/right) Direct/R-E: 2.5 -/+1.5 mm (when an ADF is used: 2.5 -/+1.8
mm)
Image margin (leading edge) Direct/R-E: 4.0 + 1.5/-1.0 mm (when an ADF is used: 4.0 -/
+1.5/-1.0 mm)
Image margin (trailing edge) Direct/R-E: (one-sided) 2.5 -/+1.5 mm (when an ADF is used:
2.5 -/+1.5 mm) Direct/R-E: (two-sided) 2.5 -/+2.0 mm (when
an ADF is used: 2.5 -/+2.0 mm)
Image margin (left/right) Direct/R-E: 2.5 + 1.5 mm (when an ADF is used: 2.5 -/+1.5
mm) (on left, 0.5 mm or more)
Auto Clear Yes (2 min standard; may be changed between 0 and 9 min in
1-min increments)
Auto power off No
Low-power mode Yes (15 min standard; may be changed in user mode: 10, 15, 20,
30, 40, 50, 60, 90 min; 2, 3, 4 hr)