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 »

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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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 »

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 »

Click link below Change Colour on Fiery more »

Cause Colour registration Abnormality Resolution Step 1. Clean the eyes 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 key. Keep holding it till the comes up in… more »

Cause: Machine indicates that the waste toner bottle is full even after emptied Resolution: As per the image below the part that sticks out that is being pointing to with the pen, that needs to be clean as that is where the photosensor looks through and… more »

Cause Colour regustration sensor C-4522 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 key. Keep holding it till the comes up in Service mode.… more »

Cause Fuser high temp error. 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 in Service mode. To reset a fuser… more »

Following the steps below to make adjustments to the colour balance... Go to Adjustments Select Number 2 "Density Balance Data" Select a blank row to create a new profile Select "Manual Setting" Select "Print Mode" and choose the tray that you are using… more »

Cause Colour Registration Error - (C-4631 Yellow, C-4632 Magenta, C-4633 Cyan, C-4634 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… more »

Increase developer conveyance speed at low speed [Service mode]→[System Setting]→[Software DIPSW Setting] Change the DipSW 104-4 from 0 (Normal) to 1 (Increase speed). Change DipSW 104-7 (Defalt). It is to prevent excessive toner supply and ejection.… more »