Canon imageRUNNER ADVANCE 615 IF User Manual

2. The APC mode is set for the Laser Driver PCB’s IC, and the laser diode of each color is forcibly activated. The photo diode
(PD) monitors the laser diode (LD), and the Laser Driver IC adjusts the output of laser diode until the laser light intensity
reaches a specified level.
Laser Driver
PCB (UN05)
Laser Scanner Unit
LD
PD
LD
Laser
APC signal
Main Controller
PCB (UN81)
Related error codes
• E100-0004:Laser Scanner error
BD Detection Correction Control
Purpose
Corrects the displacement of each color's laser write start position due to Polygon Mirror accuracy and Polygon Motor rotation
accuracy.
Execution timing
At power-on, and at printing
Control description
1. The DC Controller PCB measures the BD interval after the completion of constant speed rotation control of the Scanner
Motor.
2. The DC Controller PCB calculates the correction value from the displacement of the BD interval.
3. The write start position is corrected by adjusting the write start timing based on the above correction value.
2. Technology
44

Canon imageRUNNER ADVANCE 615 IF Specifications

General

Print Resolution	1200 x 1200 dpi
Paper Output (Standard)	250 Sheets
Duplex Printing	Yes
Copy Resolution	600 x 600 dpi
Scan Resolution	Up to 600 x 600 dpi
Type	Multifunction
Functions	Print, Copy, Scan
Memory	2 GB
Paper Input (Standard)	550 sheets
Supported Media Sizes	A4, A5, B4, B5
Supported Media Weights	52-220 gsm
Multiple Copies	1-999 copies
Magnification	25%-400%
Interface	USB 2.0
Operating System Compatibility	Windows, macOS
Touchscreen Interface	Yes