Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode. 04 - Counter / Data 03 - Parts Counter 01 - Special Parts 05 -… more »

Gamma Automatic Adjustment Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode. -02 process adjustment -06 recall… more »

See the image showing the fuser separation claws, they might have a build up of toner on them or maybe one is not sitting correctly. Their job is to sit on the lower fusing roller so if proud they will catch the paper. more »

Resolution Change DIPSW 46-2 to 1 Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode. a. System Settings b. Software… more »

Repeating on envelopes Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode. Set the DIPSW Press 03 System Settings… more »

To combat paper curl make the following adjustments. If printing one side only try delivering face down rather than face up. Change the output curl adjust, Adjustments on the main screen, Machine Adjust, Finisher Adjust, Output Curl Adjust and select… more »

Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up in Service mode. -01 Machine Adjustment -01 Printer Adjustment -10 Colour… more »

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Follow these steps... Step 2 - Choose the tray that you want to align Step 3 - Choose Scan Measure Tab Step 4 - Output the background sheet - THIS MUST BE PRINTED ONTO A3 SIZE PAPER Step 5 - Output the adjustment chart - FROM THE TRAY THAT YOU ARE… more »

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Cause Toner Density Low (C-2451 - Yellow, C-2542 Magenta, C-2453 - Cyan, C-2454 Black) Resolution Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it… more »

Cause C-2821 C-2822 C-2823 C-2824 (Dot diameter correction abnormality) Resolution Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter key. Keep holding it till the comes up… more »

To maintain optimum print quality, perform a nozzle check before printing. This lets you visually inspect the printed check pattern and clean the nozzles, if necessary. • Manually run a nozzle check from the product control panel, as described here.… more »

Cause Colour registration sensor (C-4661 - Yellow, C-4662 Magenta, C-4663 - Cyan, C-4664 Black) Resolution Step 1. Step 2. Power the machine OFF from the main switch leaving the sub switch ON. Turn main power switch ON while pressing the Utility/Counter… more »

Cause Developer/toner mixture fault (C-2421 Yellow, C-2422 Magenta, C-2423 Cyan, C-2424 Black) Resolution Watch the video showing how to clear clogged toner in the toner hopper Run toner density revert... Power the machine OFF from the main switch… more »

From the Adjustments button at the bottom of the screen... Select Quality Adustment Select 02 Density Balace Auto Adj. Select the Output Chart button to print out the chart and then follow the steps on screen more »

All lightweight paper should be long grain stock. All heavy weight stock should be short grain stock. 450x640 indicates Long Grain - shorter number first is long grain 640x450 indicates Short Grain more »